Solving quadratic equations

The solutions of the quadratic equation
x²-5x+6=0 are

• x=1 or x=-6
• x=3 or x=2
• x=-3 or x= 2
• x=-1 or x=6

Tags

CCSS.HSA-REI.B.4B

In the expression 4x²-5x+9 the leading coefficient is

• 9
• -5
• -4
• 4

One solution of the quadratic equation
x²-7x+12=0 is

• x=3
• x=2
• x=-3
• x=-2

Tags

CCSS.HSA-REI.B.4B

What are the solutions for the equation 2x² + 16x = 18

• x = -1 and x = 9

• x = -9 and x = 1

• x = 2 and x= 18

• x = 2 and x = 16

Tags

CCSS.HSA-REI.B.4B

How long was the rocket in the air?

• 3 seconds

• 5 seconds

• 9 seconds

• 6 seconds

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

If the rocket was at a height of 5 feet at 1 seconds, at what other time was the rocket at a height of 5 feet?

• It was never at 5 feet again.

• 6 seconds

• 5 sconds

• 3 seconds

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

CCSS.HSA.REI.C.7

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Approximately, what was the highest that the rocket flew?

• 6 feet

• 9 feet

• 3 feet

• It never flew.

Tags

CCSS.HSA.SSE.A.1

Solve the equation by factoring:
x² + x - 20 = 0

• x = -5 and 4
• x = 4 and 5
• x = 5 and -4
• x = -4 and -5

Tags

CCSS.HSA-REI.B.4B

Solve using square roots.  x² - 4 = 0

• x = 2
• x = 2 or -2
• x = -2
• x = 16 or -16

Tags

CCSS.HSA-REI.B.4B

Solve the equation by factoring:
x² -5x = 24

• x = ±√5
• x = -8 and 3
• x = 8 and -3
• No Real Solution

Tags

CCSS.HSA-REI.B.4B