Solving Quadratics Review

What is another name for the x-intercepts of a quadratic?

• y-intercept
• Zeros
• x-axis
• They don't have another name

Tags

CCSS.HSF-IF.C.7C

What is another word for zeros?

• y-intercepts
• roots
• vertex
• axis of symmetry

When asked to determine the solution of a quadratic, which of the following are you attempting to find?

• The roots of the equation.

• The x-intercepts of the function.

• The zeros of the equation.

• Each of these is the same thing.

Tags

CCSS.HSA-REI.B.4B

The solutions of the quadratic equation by factoring

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

Solve by using the quadratic formula
x² + 9x + 20 = 0

• x = -2, x = -10
• x = -3, x = -4
• x = -4, x = -5
• x = -4, x = -6

Tags

CCSS.HSA-REI.B.4B

The zeros of the function when factoring
f(x) = 2x² − 4x − 6 are:

• 3 and 1
• 3 and -1
• -3 and 1
• -3 and -1

Tags

CCSS.HSA.APR.B.3

When completing the square, 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-REI.B.4B

What are the roots of the function? 

• x = 4, -1

• x = -4

• x = -4, 1

• x = -1

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What are the factors AND solutions of x² + 2x – 3 = 0

• (x - 2)(x + 1); x=2, x=-1
• (x + 1)(x - 3); x=-1, x=3
• (x + 2)(x - 1); x=-2, x=1
• (x - 1)(x + 3); x=1, x=-3

Tags

CCSS.HSA-REI.B.4B

Find the zeros of the equation: 
(x+10)(x-2) = 0

• 10 and 2
• -2 and 10
• -10 and 2
• -2 and -10

Tags

CCSS.HSA.APR.B.2