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

Factor
x² + 9x - 36

• (x + 12)(x - 3)
• (x + 9)(x - 4)
• (x - 12)(x + 3)
• (x - 9)(x - 4)

Tags

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

Factor
3v² - 4v - 7

• (3v-7)(v+1)
• 3(v-7)(v-1)
• (3v+1)(v-9)
• (3v+1)(v-10)

Tags

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

Solve by completing the square:
k² − 12k + 23 = 0

• {6 + √13, 6 - √13}
• {-6 + √13, -6 - √13}
• {6 + √59, 6 - √59}
• {-6 + √59, -6 - √59}

Tags

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

What direction is the following equation opening?
y=-3x²-7x+8

• Up
• Down
• Left
• Right

Tags

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

If the discriminant is not a perfect square, then you will have

• two real solutions
• two irrational solutions
• two imaginary solutions
• one solution

Tags

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

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Tags

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

What are the x-intercept/s of the function? 

• (3,0)
• (-3,0)
• (9,0) & (-9,0)
• (-3, 0) & (3, 0)

Tags

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

What is the vertex of the function?

• (-3, -16)

• (3, 20)

• (-6, -7)

• (0, -7)

Tags

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

Complete the square.

x² + 6x + ____

• 9

• 12

• 36

• - 9

Tags

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

What are the zeros of the function:

f(x) = x² + x - 42

• 7 and -6

• 1 and 42

• -7 and 6

• 8 and -3

Tags

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