Deck 2: Quadratic Equations and Mathematical Statements

Question 1

The equations x² + 4 =0 is a …………

A)Quadratic equation
B)Cubic equation
C)Simple equation
D)None

Answer 1

Quadratic equation

Question 2

Equation ax² + b = 0

A)Pure quadratic equation
B)General quadratic equation
C)Not a quadratic equation
D)None

Answer 2

Pure quadratic equation

Question 3

The root of the eqn 3x² -1 = 0 are ………

A)Irrational
B)Imaginary
C)Rational
D)integer

Answer 3

Irrational

Question 4

x² - 4 = 0 implies x =………..

A)2
B)-2
C)± 2
D)None

Question 5

………….. is one of the solutions to the equation 3x² - 4x+1 =0

A)x = -1
B)x = 1
C)x = 2
D)x = 0

Question 6

The expression b²- 4ac is called ………… of the quadratic eqn.

A)Discriminant
B)Roots
C)Characteristics
D)solution

Question 7

If the discriminant of a quadratic eqn is zero, the roots are

A)Real and equal
B)Real and unequal
C)Complex
D)Nothing

Question 8

Quadratic eqn ax²+ bx + c = 0 has equal roots if

A)b - 4ac < 0
B)b - 4ac > 0
C)b - 4ac = 0
D)b - 4ac = 1

Question 9

Eqn y = 2x+5 has

A)No solution
B)One solution
C)3 solutions
D)Infinite solutions

Question 10

X = 4 + 8y is

A)Quadratic
B)Linear
C)Exponential
D)none

Question 11

………………. satisfies the eqn x +y +1 = 0

A)(x = 0 , y = 0 )
B)( x = 1, y = - 2 )
C)( x= 0 , y = 1)
D)(x = -2, y = 2)

Question 12

Simultaneous eqns means a set of eqn in …….. unknowns

A)One
B)Two
C)Three
D)Any number

Question 13

…………….. are mathematical statements that contains one or more derivatives

A)Sets
B)Linear eqn
C)Equation
D)None

Question 14

It is an eqn is one or more variables where each terms degrees is not more than I is

A)Simultaneous eqn
B)Linear eqn
C)Eqn
D)none

Question 15

…………… are a set of eqn containing multiple variables

A)Simultaneous eqn
B)Linear eqn
C)Eqn
D)none

Question 16

Elimination by judicious multiplication is the other commonly used method to solve

A)Simultaneous eqn
B)Linear eqn
C)Simultaneous linear eqn
D)none

Question 17

The term "Quadratic" comes from

A)Quadratis
B)Quadratice
C)Quadratus
D)None

Question 18

Quadratics eqn is an eqn in which the highest power of the variables is

A)1
B)2
C)3
D)None

Question 19

………… means to rewrite the quadratic eqn into multiplication form

A)Graphing
B)Completing the square
C)Factoring
D)None

Question 20

The formula used for finding the roots of a quadratics eqn is known as

A)Completing the square
B)Factoring
C)Quadratic formula
D)none

Question 21

A quadratic eqn with real (or) complex coefficients has 2 solutions called

A)Roots
B)Eqn
C)Formula
D)None

Question 22

Break even point is

A)No sales no production
B)No profit no loss
C)Above targeted profit
D)None

Question 23

At market equilibrium

A)Demand = Supply
B)Profit = Loss
C)Sales = forecast
D)None

Question 24

R(x) ==C(x) denotes

A)Profit function
B)Market equilibrium
C)BEP
D)None

Question 25

A series obtained by adding a constant number to its preceding terms is

A)GP
B)AP
C)GP or AP
D)None