Match the Equation Math

Find the value of this variable,

-2a - 8 = -4

• -2

• -4

• -8

Given a quadratic equation y = x² + 3x - 4
If x = 2, then what is the value of y?

• 6

• 4

• 0

Given a quadratic equation y = 2x² - 5x +3
If x = -1, then what is the value of y?

• 4

• 3

• 2

Factorize this equation
x² + 7x + 10

• (x + 5)(x + 2)

• (x + 3)(x - 2)

• (x + 10)(x - 3)

Let f(x) = 2x - 1 and g(x) = 3x.
Find if g(f(x)) or (gof)(x)

• 6x² - 1

• 6x² - 3x

• 6x - 3

• 5x - 1

Given f(x)= -3x+7 and g(x)=2x² - 8.
Find g(f(x)) or (gof)(x).

• -6x² + 31

• -6x²+24

• 18x² - 84x + 6

• 9x² - 42x - 1

Use the number line to find the sum.
3 + (-12) =

• -9

• 9

• -15

• 15

What equation is modeled?

• 15 + 25 = -10

• 15 + -25 = -10

• -10 + 15 = -10

• -25 + 15 = -10

Match the integer addition problem with the graph.

• 6 + (-2) = 6

• -2 + 6 = 0

• 6 + (-2) = 4

• None of these.

(- 9) + 7

• -2

• 2

• 16

• -16