Quadratics Test Review

(3-5i) + (6+2i) =

• 9-3i

• 18-10i

• 12+i

• -17

Tags

CCSS.HSN.CN.A.2

• 5i and -5i

• 5 and -5

• -5 only

• 5 only

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

• -3+6i

• -3-6i

• -3

• 3

• 3+6i

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Michael wants to solve a quadratic equation by graphing. He gets the equation set equal to 0 and then graphs the expression. Where should he look to find the solution(s)?

• the x-intercept(s)

• the y-intercept(s)

• the vertex of the parabola

• the maximum value of the function

• the minimum value of the function

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

True or False: A quadratic equation can have one real solution and one imaginary solution.

• True

• False

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Find the absolute value of -6+8i.

• 10

• 10i

• 100

• 100i

Tags

CCSS.HSN.CN.B.6

The absolute value of a complex number is...

• the distance from the origin.

• the distance to 0.

• the same number but with all positive values.

• impossible to calculate.

Tags

CCSS.HSN.CN.B.6

• 1

• -1

• i

• -i

Tags

CCSS.HSN.CN.A.2

• -7

• 2

• 0

• 9

• 5

Tags

CCSS.HSA-REI.B.4B

A quadratic equation has two real solutions. What is true about the discriminant?

• d > 0

• d = 0

• d < 0

Tags

CCSS.HSA-REI.B.4B