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

Solve
a² + 2a - 24 = 0

• a = -6, 4
• a = 6, -4
• a = 12, -2
• a = 8, -3

Tags

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

3x² - 15x + 18

• 3(x-2) (x-3)
• (3x-6) (x-3)
• (3x-9) (x-2)
• PRIME

Tags

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

Does this parabola have a maximum or minimum?

• Maximum
• Minimum

Tags

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

A diver is standing on a platform above the pool. He jumps form the platform with an initial upward velocity of 8 ft/s. Use the formula: h(t) = −16 t² + 8t + 24

How high is the platform?

• .25 ft

• 24 ft

• 25 ft

• 8 ft

Tags

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

Find the vertex of 
f(x) = -x² - 4x + 12

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)

Tags

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

Solve using the Quadratic Formula:

 $2x^2+2x-12=0$  

•  $x=-2,\ 3$  

•  $x=2,\ 3$  

•  $x=-3,\ 2$  

•  $x=-3,\ -2$  

Tags

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

What are the final solutions for  $x\ =\frac{-2\pm\sqrt{100}}{4}$  ?

•  $x\ =\ \frac{1}{2},\ x\ =\ -\frac{1}{3}$  

•  $x=-2,\ x\ =\ 3$  

•  $x=-3,\ x=2$  

•  $x\ =\ -\frac{1}{2},\ x\ =\ \frac{1}{3}$  

Tags

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

What are the factors of n² + 4n − 12

• (n - 6)(n + 2)

• (n + 4)(n - 3)

• (n + 6)(n + 2)

• (n + 6)(n - 2)

• (n - 4)(n + 3)

Tags

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

 $\left(2x-1\right)^2=49\ \ What\ is\ one\ of\ the\ solutions\ to\ this\ equation?$  

• 7

• -7

• -4

• -3

Tags

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

Solve.

x² - 9x + 20

• x = 10, 2

• x = 20, 1

• x = -9, 20

• x = 5, 4

Tags

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