Alg 2 Spring Exam

Simplify the expression below. √-100 - 2√-16

• -12i

• -2i

• 12i

• 2i

Simplify the expression below. -9 + √-28

• -9 + 2i√7

• -9 - 2i√7

• i√7

• 5i√3

Simplify the expression below. Give your answer as a complex number in standard form. (7 + i)(6 - 4i)

• 46 - 22i

• 38 + 10i

• 42 - 28i

• 41 - 24i

Simplify the expression below. Give your answer as a complex number in simplest form. (4 - 5i)(1 - 2i)

• -6 - 13i

• 3 - 8i

• -4 + 10i

• 6 + 13i

Simplify the expression below. Give your answer as a complex number in simplest form.

• -5 + 11i

• 5 + 11i

• -5 - 11i

• 5 - 11i

What is the apparent solution set for the equation associated with the following graph?

• {-2, 1}

• {-1, 2}

• {-2, 1, 4}

• {-1, 2, 4}

• x = 1.5, x = -4.5

• x = 3, x = -3

• x = 6, x = -6

• x = 0, x = -3

• x = -5 ± 2√6

• x = -5 ± √18

• x = 5 ± 2√6

• x = -10 ± √7