CCSS.Math.Content.HSA.REI.B.4

Solve for the values of x:
(2x + 5)(5x - 2) = 0

• { -5/2, -2/5 }
• { -5/2, 2/5 }
• { 5/2, 2/5 }
• { 5/2, -2/5 }

Tags

CCSS.Math.Content.HSA.REI.B.4

What do you do to the b value to correctly complete the square?

• square it
• divide it by 2 and square the result
• divide it by 2 and take the square root of the result
• divide it by 2 only

Tags

CCSS.Math.Content.HSA.REI.B.4

Solve by completing the square:
v² + 6v − 59 = 0

• {-5 + 5√2, -5 - 5√2}
• {5 + 5√2, 5 - 5√2}
• {-3 + 2√17, -3 - 2√17}
• {3 + 2√17, 3 - 2√17}

Tags

CCSS.Math.Content.HSA.REI.B.4

How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

Tags

CCSS.Math.Content.HSA.REI.B.4

Solve
h² + 7h + 10 = 0

• A. h= -5, -2
• B. h= 5, 2
• C. h = -1, ^-10/₆
• D. h = ^-2/₅, -10

Tags

CCSS.Math.Content.HSA.REI.B.4

Solve
16a² - 9 = 0

• a = ^-3/₄, ³/₄ 
• a = ^-4/₃, ⁴/₃ 
• a = ^-9/₁₆, ⁹/₁₆ 
• a = ^-16/₉, ¹⁶/₉ 

Tags

CCSS.Math.Content.HSA.REI.B.4

Factor:
x² + 7x - 30

• (x + 10)(x - 7)
• (x - 10)(x + 3)
• (x + 10)(x + 3)
• (x + 10)(x - 3)

Tags

CCSS.Math.Content.HSA.REI.B.4

Solve the following equation for x:
0 = (x − 3)² − 25

• x = 8 and x = −2
• x = 8 and x = −8
• x = 8 and x = 2
• No real solutions

Tags

CCSS.Math.Content.HSA.REI.B.4

Factor:
x² - 9x + 20

• (x - 10)(x - 2)
• (x - 20)(x - 1)
• (x - 10)(x + 2)
• (x - 5)(x - 4)

Tags

CCSS.Math.Content.HSA.REI.B.4

The graph of y = x² - 2x - 8 is shown.
What are the solutions to x² - 2x - 8 = 0?

• x = 1 and x = -9
• x = 0 and x = -8
• x = -2 and x = 4
• x = -4 and x = 2

Tags

CCSS.Math.Content.HSA.REI.B.4