Problems Involving Quadratic Equations

What is the equation for standard form?

• y = x² + bx + c

• y = ax² + bx + c

• y = mx + b

• Ax + By = C

What are the values of a, b, and c in the quadratic equation 3x² - 10 = -4x

• a = 3x² b = -10 c = -4x

• a = 3 b = -10 c = -4

• a = 3 b = -4 c = -10

• a = 3 b = 4 c = -10

What is the positive solution to the equation 0 = (1/5)x² - 5?

• (1/5)

• 1

• 5

• -5

Tags

CCSS.8.EE.A.2

What are the solutions to 5( x - 3 )² = 45?

• x = 6 and x = 0

• x = -3 and x = 45

• x = -6.71 and x = 6.71

• x = -3 and x = 3

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

The area of a certain rhombus is given by the equation L² - 5L = 6 where l represents the length of the rhombus in centimeters. What is the length of the rhombus?

• 6 cm

• -6 cm

• 1 cm

• -1 cm

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

What is the equation of this parabola in it’s factored form?

• y=(x-2)(x+3)

• y=(x+2)(x-3)

• y=(x+2)(x-3)(x-6)

• y=(x+3)(x-6)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What is the factored quadratic equation in the following graph?

• y=(x+2)(x+6)

• y=x²-8x+12

• y=(x-2)(x-6)

• y=(x-4)(x+4)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Approximately, what was the highest that the rocket flew?

• 6 feet

• 9 feet

• 3 feet

• It never flew.