Unit 7 Quiz #1 Review

What is the simplified form of

(-6i)(3i)

• -18

• -18i

• 18

• -18i²

Tags

CCSS.HSN.CN.A.2

What is the simplified form of

(-3 + 2i)(1- 4i)

• -2 - 2i

• 5 + 14i

• -11 -10i

• -3 -8i

Tags

CCSS.HSN.CN.A.2

What is the simplified form of

(i)(3i)

• -3i

• -3

• 3

• 2i

Tags

CCSS.HSN.CN.A.2

What does i² equal?

• -1

• √-1

• 1

• -i

Tags

CCSS.HSN.CN.A.1

If -2+5i is a zero of f(x), what must be another zero of f(x)?

• -5+2i
• -2-5i
• 2+5i
• 5-2i

Tags

CCSS.HSN.CN.C.9

Tags

CCSS.HSA.APR.D.6

• Cannot be determined.

Tags

CCSS.HSA.APR.D.6

If -12 is a zero of f(x), which of the following must be a factor of f(x)?

• x-12

• x+12

• x-12i

• x+12i

Tags

CCSS.HSF-IF.C.7C

Factor f(x)= x³ - 2x²-13x - 10  given that
(x - 5) is one factor.

• (x- 5)(x - 1)(x - 2)
• (x - 5)(x + 2)(x - 2)
• (x - 5)(x + 2) (x + 1)
• (x - 5)(2x - 13)

Tags

CCSS.HSA.APR.B.2