8C Review

The solutions of the quadratic equation 

x² + 2x - 15 = 0 are

• x=3 or x=5

• x=-3 or x=5

• x=-5 or x=3

• x=-5 or x=-3

Tags

CCSS.HSA-REI.B.4B

What are the solutions to the equation (x-3)(x+2)=0 ?

• {3, -2}

• {-3, 2}

• {3, 2}

• {-3, -2}

Tags

CCSS.HSA-REI.B.4B

• Factor the trinomial as is

• Subtract 6 from both sides so that the equation is equal to 0

• Set each factor equal to 0

• Combine like terms

Tags

CCSS.HSA-REI.B.4B

• x= 5 or x= .5 

• x= -5 or x=.5

• x= 5 or x= -.5

• x= -5 or x= -.5

Tags

CCSS.HSA-REI.B.4B

The solution, root, x-intercept, and zero of a problem are all the same thing.

• True

• False

Tags

CCSS.HSF-IF.C.7A

• {0, -7}

• {-7}

• {0, 7}

• {7}

Tags

CCSS.HSA-REI.B.4B

• {2, -1}

• {-5, 5}

• {-4, 1}

• {-8, 6}

Tags

CCSS.HSA-REI.B.4B

• (x+2)(x+1) = 0

• (x+1)(x-3) = 0

• (x+2)(x-1) = 0

• (x-1)(x+3) = 0

Tags

CCSS.HSA-REI.B.4B

• x = 7 or x = -7

• x = -7 or x = 1

• x = 0 or x = 7

• x = 49 or x = 0

Tags

CCSS.8.EE.A.2