Advanced Algebra Midterm Review

Does the equation open up or down? 
Y = -3x² +7x - 2

• up

• down

• Neither; it opens to the right.

• Neither; it opens to the left.

-5k + 10 = -2k - 14

• 8

• -8

• 2

• -2

Give the y-interecept
3x + y = 5

• -3

• (0,5)

• -5

• (0, -3)

Give the x-intercept
3x + 8y = 24

• (8, 0)

• (0, 8)

• (3, 0)

• (0, 3)

What is the y-intercept in the equation x + 2y = 4

• 0

• 2

• 4

• 1/2

8i + 8i

• -6 - 2i

• 16i

• 6 - 2i

• 8 + 8i

-2 - (-5 - 7i)

• -3 - 7i

• -7 - 7i

• 3 + 7i

• -7 +7i

(-5 - 5i)(1 + 5i)

• 30 - 20i

• 18 - 40i

• 20 + 30i

• 20 - 30i

(-2 + 7i)(-2 + 2i)

• -10 + 8i

• -10 - 18i

• 18 - 10i

• -18 - 10i

Simplify: √-64

• -8

• 8i

• -8i

• 8