Practice Assessment

What are the values of x does the quadratic equation (x - 2)² = 25 have ?

• x = 5 and x = 2

• x = 7 and x = -3

• x = 5 and x = -2

• x = 3 and x = -7

What are the roots of the quadratic equation (s - 4)² - 81 = 0?

• s = 9/2 and s = -9/2

• s = 9 and s= -9

• s = 2 and s = -2

• s = 13 and s = -13

Solve the equation by factoring.

• x = {-5,-3}

• x = {5,-3}

• x = {-5,3}

• x = {5,3}

The area of a certain rhombus is given by the equation L² - 5L = 6 where l represents the length of the rhombus in centimeters. What is the length of the rhombus?

• 6 cm

• -6 cm

• 1 cm

• -1 cm

Solve using square roots.
k² - 6 = 43

• k = √37
• k = 37 or - 37
• k = 7, k = -7
• no solution

 $3\left(4x+1\right)^2-1=11$  

Solve for the roots of the equation

•  $4,\ -1$ 

•  $\frac{1}{2},\frac{1}{4}$  

•  $\frac{1}{4},\ -\frac{3}{4}$  

•  $-\frac{1}{4},\ -\frac{3}{4}$  

Solve 2x² - 7x + 6 = 0 by factoring

• x = -3/2 and x = -2

• x = -3 and x = -2

• x = 3 and x = 2

• x = 3/2 and x = 2

Solve by factoring

• -4, 2

• -2, 4

• -16

• -4

√-9

• -3i
• 3
• 3i
• -3