Quadratic Quiz #2

Complete the square for
x² + 12x + ____

• x² + 12x + 144
• x² + 12x + 36
• x² + 12x - 36
• x² + +12x - 144

Tags

CCSS.HSA-REI.B.4B

Solve by completing the square.
x² +12x = 5

• X = 6 + √41 or  6 − √41
• X= 35 or 47
• X = −6 + √41 or  −6 − √41
• X = √35 or √47

Tags

CCSS.HSA-REI.B.4B

Practice #2: a² - 6a + 12 = 0

• x = 3 and x = 1

• x = -3 and x = 4

• no solution

• x = 12 and x = 2

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Practice #4: x² - 7x = 18

• x = -2 and x = 5.5

• x = 3.5 and x = -3.5

• no solution

• x = -2 and x = 9

Solve the equation by factoring:
x²-6x+8=0

• 2, 4
• -2, -4
• -2, 4
• 2, -4

Tags

CCSS.HSA-REI.B.4B

What are the solutions to the graph?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

What are the zeros of the parabolic function?

• (x+3)(x-1)
• (x-3)(x+1)
• (-3,0) and (1,0)
• (3,0) and (-1,0)

Solve      3x^2 - 192 = 0

• -32 or 32
• No Solution
• -8 or 8
• -64 or 64

Tags

CCSS.8.EE.A.2

Solve the quadratic equation: 9x^2 - 42x + 49 = 0

• x = -7/3 and x = 7/3

• x = 7/3

• x = 3/7

• x = 3/7 and x = -3/7

• ±√9
• ±3
• ±1
• No real solution