Review for Quiz 3

Solve for x.
6x² - 9 = 87

• x = 4, -4

• x = 4

• x = 16

• x = 16, -16

Solve for x.
-9p² = -576

• x = 8

• x = 64

• x = 8, -8

• x = 64, -64

Solve for h.
(h - 2)² = 9

• h = 5, -1

• h = 5, -5

• h = 5

• h = -1

Solve for k. 
-2(k -1)² - 4 = -36

• k = 5, -3

• k = 4, -4

• k = 4

• k = 5

4(x+9)²=24

• {-9+√6,-9-√6}

• {3,-3}

• {3}

• so solution

Identify the perfect square trinomial.

Identify the perfect square trinomial.

Identify the perfect square trinomial.

Identify the perfect square trinomial.

What do you do to the b value to correctly complete the square?

• square it

• divide it by 2 and square the result

• divide it by 2 and take the square root of the result

• divide it by 2 only