Solve the equation for the variable x . 4 x 2 + 4 nx + n 2 = 0

A) $x = - \frac { 1 } { 2 n }$ B) $x = - \frac { n } { 4 }$ C) $x = - \frac { n } { 2 }$ A) $x = - \frac { 1 } { 2 n }$ B) $x = - \frac { n } { 4 }$ C) $x = - \frac { n } { 2 }$

Exam 11: Quadratic Equations and Inequalities

Use the quadratic formula to solve the quadratic equation. 7 x ² + 15 x + 8 = 0 Please enter your answer as fractions and/or two numbers, separated by a comma.

(Short Answer)

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Question 141

Find $( 10 - 3 i ) ( 4 - 9 i )$ and express the answer in the standard form of a complex number.

(Short Answer)

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Question 142

Solve each quadratic equation by using the method of completing the square. Match each equation with the corresponding solution. - $x = 9 , x = 11$

(Multiple Choice)

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Question 143

Solve each quadratic equation by using the factoring method. Match each equation with the corresponding solution. - $n = - 6 , n = \frac { 1 } { 2 }$

(Multiple Choice)

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Question 144

Solve the quadratic equation using the method that seems most appropriate to you. $9 x ^ { 4 } + 11 x ^ { 2 } - 48 = 0$

(Multiple Choice)

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Question 145

Write $\frac { \sqrt { - 160 } } { \sqrt { - 10 } }$ in terms of i , perform the indicated operations, and simplify.

(Multiple Choice)

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Question 146

Solve the inequality. $( x - 1 ) ( 3 x - 10 ) \leq 0$ Please enter your answer in interval notation.

(Short Answer)

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Question 147

A quadratic equation is used in word problems dealing with area in order to determine dimensions.

(True/False)

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Question 148

Solve each quadratic equation by using the method of completing the square. Match each equation with the corresponding solution. - $x = - 7 , x = 9$

(Multiple Choice)

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Question 149

Use the quadratic formula to solve the quadratic equation. 10 n 2 $-$ 39 n = 0 Please enter your answer as fractions and/or two numbers, separated by a comma.

(Short Answer)

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Question 150

To solve an equation with variables in the denominater, use cross products.

(True/False)

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Question 151

Solve the quadratic equation using the method that seems most appropriate to you. $n ^ { 2 } + 15 n + 26 = 0$ Please enter your answer as two numbers, separated by a comma.

(Short Answer)

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Question 152

Solve the inequality. x 2 + 2 x $-$ 63 0

(Multiple Choice)

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Question 153

Solve each quadratic equation using the method that seems most appropriate. $( x - 6 ) ^ { 2 } = 20$ Please enter your answer as two numbers, separated by a comma.

(Short Answer)

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Question 154

Add. (7 + 8 i ) + (5 + 2 i )

(Short Answer)

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Question 155

Solve the inequality. $\frac { x - 2 } { x + 1 } < 0$ Please enter your answer in interval notation.

(Short Answer)

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Question 156

Suppose that the sum of two whole numbers is 13 and the sum of their reciprocals is $\frac { 13 } { 40 }$ Find the numbers.

(Multiple Choice)

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Question 157

Solve the equation for the variable x . 4 x ² + 4 nx + n ² = 0

(Multiple Choice)

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Question 158

Use the discriminant to determine whether the equation has two non real complex solutions, one real solution with a multiplicity of two, or two real solutions. Match each of the equations with the number of decisions to obtain a true statement. - $\text { two real solutions }$

(Multiple Choice)

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Question 159

Use the quadratic formula to solve the quadratic equation. Check your solutions by using the sum and product relationships. Match each of the equations with the number to obtain a true statement. - $\frac { 17 \pm \sqrt { 257 } } { 2 }$

(Multiple Choice)

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Question 160

Use the quadratic formula to solve the quadratic equation. 7 x ² + 15 x + 8 = 0 Please enter your answer as fractions and/or two numbers, separated by a comma.

Find $( 10 - 3 i ) ( 4 - 9 i )$ and express the answer in the standard form of a complex number.

Solve each quadratic equation by using the method of completing the square. Match each equation with the corresponding solution. - $x = 9 , x = 11$

Solve each quadratic equation by using the factoring method. Match each equation with the corresponding solution. - $n = - 6 , n = \frac { 1 } { 2 }$

Solve the quadratic equation using the method that seems most appropriate to you. $9 x ^ { 4 } + 11 x ^ { 2 } - 48 = 0$

Write $\frac { \sqrt { - 160 } } { \sqrt { - 10 } }$ in terms of i , perform the indicated operations, and simplify.

Solve the inequality. $( x - 1 ) ( 3 x - 10 ) \leq 0$ Please enter your answer in interval notation.

A quadratic equation is used in word problems dealing with area in order to determine dimensions.

Solve each quadratic equation by using the method of completing the square. Match each equation with the corresponding solution. - $x = - 7 , x = 9$

Use the quadratic formula to solve the quadratic equation. 10 n 2 $-$ 39 n = 0 Please enter your answer as fractions and/or two numbers, separated by a comma.

To solve an equation with variables in the denominater, use cross products.

Solve the quadratic equation using the method that seems most appropriate to you. $n ^ { 2 } + 15 n + 26 = 0$ Please enter your answer as two numbers, separated by a comma.

Solve the inequality. x 2 + 2 x $-$ 63 0

Solve each quadratic equation using the method that seems most appropriate. $( x - 6 ) ^ { 2 } = 20$ Please enter your answer as two numbers, separated by a comma.

Add. (7 + 8 i ) + (5 + 2 i )

Solve the inequality. $\frac { x - 2 } { x + 1 } < 0$ Please enter your answer in interval notation.

Suppose that the sum of two whole numbers is 13 and the sum of their reciprocals is $\frac { 13 } { 40 }$ Find the numbers.

Solve the equation for the variable x . 4 x ² + 4 nx + n ² = 0

Use the discriminant to determine whether the equation has two non real complex solutions, one real solution with a multiplicity of two, or two real solutions. Match each of the equations with the number of decisions to obtain a true statement. - $\text { two real solutions }$

Use the quadratic formula to solve the quadratic equation. Check your solutions by using the sum and product relationships. Match each of the equations with the number to obtain a true statement. - $\frac { 17 \pm \sqrt { 257 } } { 2 }$

Some Basic Concepts of Arithmetic and Algebra

The Real Numbers

Equations, Inequalities and Problem Solving

Formulas and Problem Solving

Coordinate Geometry and Linear Systems

Exponents and Polynomials

Factoring, Solving Equations and Problem Solving

A Transition From Elementary Algebra to Intermediate Algebra

Rational Expressions

Exponents and Radicals

Coordinate Geometry: Lines, Parabolas, Circles, Ellipses and Hyperbolas

Functions

Exponential and Logarithmic Functions

Systems of Equations: Matrices and Determinants

Filters

Exam 11: Quadratic Equations and Inequalities

Use the quadratic formula to solve the quadratic equation. 7 x 2 + 15 x + 8 = 0 Please enter your answer as fractions and/or two numbers, separated by a comma.

Find (10−3i)(4−9i)( 10 - 3 i ) ( 4 - 9 i )(10−3i)(4−9i) and express the answer in the standard form of a complex number.

Solve each quadratic equation by using the method of completing the square. Match each equation with the corresponding solution. - x=9,x=11x = 9 , x = 11x=9,x=11

Solve each quadratic equation by using the factoring method. Match each equation with the corresponding solution. - n=−6,n=12n = - 6 , n = \frac { 1 } { 2 }n=−6,n=21​

Solve the quadratic equation using the method that seems most appropriate to you. 9x4+11x2−48=09 x ^ { 4 } + 11 x ^ { 2 } - 48 = 09x4+11x2−48=0

Write −160−10\frac { \sqrt { - 160 } } { \sqrt { - 10 } }−10​−160​​ in terms of i , perform the indicated operations, and simplify.

Solve the inequality. (x−1)(3x−10)≤0( x - 1 ) ( 3 x - 10 ) \leq 0(x−1)(3x−10)≤0 Please enter your answer in interval notation.

A quadratic equation is used in word problems dealing with area in order to determine dimensions.

Solve each quadratic equation by using the method of completing the square. Match each equation with the corresponding solution. - x=−7,x=9x = - 7 , x = 9x=−7,x=9

Use the quadratic formula to solve the quadratic equation. 10 n 2 −-− 39 n = 0 Please enter your answer as fractions and/or two numbers, separated by a comma.

To solve an equation with variables in the denominater, use cross products.

Solve the quadratic equation using the method that seems most appropriate to you. n2+15n+26=0n ^ { 2 } + 15 n + 26 = 0n2+15n+26=0 Please enter your answer as two numbers, separated by a comma.

Solve the inequality. x 2 + 2 x −-− 63 0

Solve each quadratic equation using the method that seems most appropriate. (x−6)2=20( x - 6 ) ^ { 2 } = 20(x−6)2=20 Please enter your answer as two numbers, separated by a comma.

Add. (7 + 8 i ) + (5 + 2 i )

Solve the inequality. x−2x+1<0\frac { x - 2 } { x + 1 } < 0x+1x−2​<0 Please enter your answer in interval notation.

Suppose that the sum of two whole numbers is 13 and the sum of their reciprocals is 1340\frac { 13 } { 40 }4013​ Find the numbers.

Solve the equation for the variable x . 4 x 2 + 4 nx + n 2 = 0

Use the quadratic formula to solve the quadratic equation. Check your solutions by using the sum and product relationships. Match each of the equations with the number to obtain a true statement. - 17±2572\frac { 17 \pm \sqrt { 257 } } { 2 }217±257​​

Some Basic Concepts of Arithmetic and Algebra

The Real Numbers

Equations, Inequalities and Problem Solving

Formulas and Problem Solving

Coordinate Geometry and Linear Systems

Exponents and Polynomials

Factoring, Solving Equations and Problem Solving

A Transition From Elementary Algebra to Intermediate Algebra

Rational Expressions

Exponents and Radicals

Coordinate Geometry: Lines, Parabolas, Circles, Ellipses and Hyperbolas

Functions

Exponential and Logarithmic Functions

Systems of Equations: Matrices and Determinants

Filters

Use the quadratic formula to solve the quadratic equation. 7 x ² + 15 x + 8 = 0 Please enter your answer as fractions and/or two numbers, separated by a comma.

Find $( 10 - 3 i ) ( 4 - 9 i )$ and express the answer in the standard form of a complex number.

Solve each quadratic equation by using the method of completing the square. Match each equation with the corresponding solution. - $x = 9 , x = 11$

Solve each quadratic equation by using the factoring method. Match each equation with the corresponding solution. - $n = - 6 , n = \frac { 1 } { 2 }$

Solve the quadratic equation using the method that seems most appropriate to you. $9 x ^ { 4 } + 11 x ^ { 2 } - 48 = 0$

Write $\frac { \sqrt { - 160 } } { \sqrt { - 10 } }$ in terms of i , perform the indicated operations, and simplify.

Solve the inequality. $( x - 1 ) ( 3 x - 10 ) \leq 0$ Please enter your answer in interval notation.

Solve each quadratic equation by using the method of completing the square. Match each equation with the corresponding solution. - $x = - 7 , x = 9$

Use the quadratic formula to solve the quadratic equation. 10 n 2 $-$ 39 n = 0 Please enter your answer as fractions and/or two numbers, separated by a comma.

Solve the quadratic equation using the method that seems most appropriate to you. $n ^ { 2 } + 15 n + 26 = 0$ Please enter your answer as two numbers, separated by a comma.

Solve the inequality. x 2 + 2 x $-$ 63 0

Solve each quadratic equation using the method that seems most appropriate. $( x - 6 ) ^ { 2 } = 20$ Please enter your answer as two numbers, separated by a comma.

Solve the inequality. $\frac { x - 2 } { x + 1 } < 0$ Please enter your answer in interval notation.

Suppose that the sum of two whole numbers is 13 and the sum of their reciprocals is $\frac { 13 } { 40 }$ Find the numbers.

Solve the equation for the variable x . 4 x ² + 4 nx + n ² = 0

Use the quadratic formula to solve the quadratic equation. Check your solutions by using the sum and product relationships. Match each of the equations with the number to obtain a true statement. - $\frac { 17 \pm \sqrt { 257 } } { 2 }$