Exam 4: Systems of Linear Equations

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Solve the system by substitution. If the system is inconsistent or has dependent equations, say so. - 4x+y=-17 x+6y=-10 $Solve the system by substitution. If the system is inconsistent or has dependent equations, say so. - \begin{array}{r}4 x+y=-17 \\ x+6 y=-10\end{array}$

(Multiple Choice)

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Question 161

How many liters (L) of a $10 \%$ silver iodide solution must be mixed with $5 \mathrm{~L}$ of a $4 \%$ silver iodide solution to get a $6 \%$ solution?

(Multiple Choice)

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Question 162

A company manufactures three products. The graph shows the production from 1986 to 1996 . What was the approximate level of production when the production of A equaled the production of $\mathrm{B}$ ? $A company manufactures three products. The graph shows the production from 1986 to 1996 . What was the approximate level of production when the production of A equaled the production of \mathrm{B} ?$

(Multiple Choice)

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Question 163

Use a graph to solve the system. start text end text X-y =4 X+y =12 $Use a graph to solve the system. \text { } \begin{aligned} X-y & =4 \\ X+y & =12 \end{aligned}$

(Multiple Choice)

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Question 164

Tell how many solutions the system has. Do not actually solve. - $3 x-y=7$ $x+6 y=34$

(Multiple Choice)

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Question 165

Don runs a charity fruit sale, selling boxes of oranges for $\$ 11$ and boxes of grapefruit for $\$ 10$ . If he sold a total of 762 boxes and took in $\$ 8125$ in all, then how many boxes of oranges did he sell?

(Multiple Choice)

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Question 166

Showing 161 - 166 of 166

Solve the system by substitution. If the system is inconsistent or has dependent equations, say so. - 4x+y=-17 x+6y=-10 $Solve the system by substitution. If the system is inconsistent or has dependent equations, say so. - \begin{array}{r}4 x+y=-17 \\ x+6 y=-10\end{array}$

How many liters (L) of a $10 \%$ silver iodide solution must be mixed with $5 \mathrm{~L}$ of a $4 \%$ silver iodide solution to get a $6 \%$ solution?

Use a graph to solve the system. start text end text X-y =4 X+y =12 $Use a graph to solve the system. \text { } \begin{aligned} X-y & =4 \\ X+y & =12 \end{aligned}$

Tell how many solutions the system has. Do not actually solve. - $3 x-y=7$ $x+6 y=34$

Don runs a charity fruit sale, selling boxes of oranges for $\$ 11$ and boxes of grapefruit for $\$ 10$ . If he sold a total of 762 boxes and took in $\$ 8125$ in all, then how many boxes of oranges did he sell?

Review of the Real Number System

Linear Equations, Inequalities, and Applications

Linear Equations, Graphs, and Functions

Exponents, Polynomials, and Polynomial Functions

Factoring

Rational Expressions and Functions

Roots, Radicals, and Root Functions

Quadratic Equations, Inequalities, and Functions

Inverse, Exponential, and Logarithmic Functions

Nonlinear Functions, Conic Sections, and Nonlinear Systems

Further Topics in Algebra

Appendices

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Exam 4: Systems of Linear Equations

Solve the system by substitution. If the system is inconsistent or has dependent equations, say so. - 4x+y=-17 x+6y=-10

How many liters (L) of a 10%10 \%10% silver iodide solution must be mixed with 5 L5 \mathrm{~L}5 L of a 4%4 \%4% silver iodide solution to get a 6%6 \%6% solution?

A company manufactures three products. The graph shows the production from 1986 to 1996 . What was the approximate level of production when the production of A equaled the production of B\mathrm{B}B ?

Use a graph to solve the system. start text end text X-y =4 X+y =12

Tell how many solutions the system has. Do not actually solve. - 3x−y=73 x-y=73x−y=7 x+6y=34x+6 y=34x+6y=34

Don runs a charity fruit sale, selling boxes of oranges for $11\$ 11$11 and boxes of grapefruit for $10\$ 10$10 . If he sold a total of 762 boxes and took in $8125\$ 8125$8125 in all, then how many boxes of oranges did he sell?

Review of the Real Number System

Linear Equations, Inequalities, and Applications

Linear Equations, Graphs, and Functions

Exponents, Polynomials, and Polynomial Functions

Factoring

Rational Expressions and Functions

Roots, Radicals, and Root Functions

Quadratic Equations, Inequalities, and Functions

Inverse, Exponential, and Logarithmic Functions

Nonlinear Functions, Conic Sections, and Nonlinear Systems

Further Topics in Algebra

Appendices

Filters

Solve the system by substitution. If the system is inconsistent or has dependent equations, say so. - 4x+y=-17 x+6y=-10 $Solve the system by substitution. If the system is inconsistent or has dependent equations, say so. - \begin{array}{r}4 x+y=-17 \\ x+6 y=-10\end{array}$

How many liters (L) of a $10 \%$ silver iodide solution must be mixed with $5 \mathrm{~L}$ of a $4 \%$ silver iodide solution to get a $6 \%$ solution?

Use a graph to solve the system. start text end text X-y =4 X+y =12 $Use a graph to solve the system. \text { } \begin{aligned} X-y & =4 \\ X+y & =12 \end{aligned}$

Tell how many solutions the system has. Do not actually solve. - $3 x-y=7$ $x+6 y=34$

Don runs a charity fruit sale, selling boxes of oranges for $\$ 11$ and boxes of grapefruit for $\$ 10$ . If he sold a total of 762 boxes and took in $\$ 8125$ in all, then how many boxes of oranges did he sell?