Algebra Review Day 4 (Solving Equations)

Find the value of x that makes the following equation true.

 $6x+8-4x=22$  

• x = 7

• x = 3

• x = -2

• x = 4

Find the value of x that makes the following equation true.

 $-9x\ -11-5x=17$  

• 3

• -2

• 9

• -9

What is the solution to

16x - 8 = 7(3x + 12)

• -12.1

• -18.4

• 10.3

• 11

Which statement about k(x) = -x²−2x+15 is true?

• The zeros are -3 and 5, because k(x) = −(x+3)(x−5).

• The zeros are -5 and 3, because k(x) = −(x+5)(x-3).

• The zeros are -5 and -3, because k(x) = −(x+5)(x+3).

• The zeros are 3 and 5, because k(x) = −(x−3)(x−5)

What is the vertex of the graph of the quadratic function f(x) = x²+6x+10

• (3, -1)

• (-3, -1)

• (-3, 1)

• (3, 1)

Which graph best represents the function  $f\left(x\right)=x^2-6x+4$  ?

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Which graph best represents a quadratic function that has no zeros?

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What is the solution of the following equation?

 $3\left(5x+8\right)=4\left(-9+x\right)-6$  

• x = 12

• x = -10

• x = -6

• x = -16

Which expression is equivalent to

3x² - 23x - 8?

• (3x + 1) (x + 8)

• (3x + 1) (x - 8)

• (3x - 1) (x + 8)

• (3x - 1) (x - 8)

Which expression is equivalent to

(x + 10)²

• x² + 100

• x² - 20x + 100

• x² + 20x + 100

• x² - 10