Solving by Parabola Algebra

What are the zeros of x²+9x+14

• 2, 7

• -2, -7

• 2, -7

• -2, 7

Tags

CCSS.HSA-REI.B.4B

What are the zeros of the quadratic function?
y = x² - 2x - 15

• x = -2
  x = -15

• x = -3
  x = 5

• x = 3
  x = -5

• x = 1
  x = -16

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

The graph of a Quadratic Equation is called a(n)....

• Circle

• Elipse

• Parabola

• Line

Tags

CCSS.HSF-IF.C.7A

What does it mean for the solutions to a quadratic equation to be 6 and 11?

• The y-intercept is 6 and the x-intercept is 11.

• The parabola is flipped upside-down.

• The parabola crosses the x-axis at 6 and 11.

• The parabola moved 6 units to the left and 11 units down from the origin.

Tags

CCSS.HSF-IF.C.7A

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

Tags

CCSS.HSF-IF.C.7C

Solve by factoring: x² + 3x - 18 = 0

• x = -3 and x = 6

• x = 3 and x = -6

• x = -9 and x = 2

• x = 9 and x = -2

Tags

CCSS.HSA-REI.B.4B

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Tags

CCSS.HSF-IF.C.7A

What should you do first in solving this equation?
x² + 6x - 13 = 3

• Get factored form

• Write down: a=1, b=6, c=-13

• Make it equal 0 by subtracting 3 on each side

• Type it all in a calculator.

Tags

CCSS.HSA-REI.B.4B

What is the greatest number of solutions that a Quadratic Equation can have?

• 0

• 1

• 2

• 3

Solve

• -4, 2

• -2, 4

• -16

• -4

Tags

CCSS.HSA-REI.B.4B