Unit 6 Test 2 Review

Factored Form

100

f(x) = (x+2)(x-3)

Real Zeros: -2, 3

200

f(x) = (x)(x-8)

Real zeros: 0, 8

300

f(x) = 3(x-2)(x+1)

Real zeros: 2, -1

400

f(x) = -2 (x-2)(3x-4)

Real zeros: 2, 4/3

500

f(x) = x²+5x+6

Real zeros: -3, -2

Vertex Form

100

f(x) = x² -25

Real zeros: 5, -5

200

f(x) = 2x² - 18

Real zeros: 3, -3

300

f(x) = (x-5)² - 16

Real zeros: 1,9

400

f(x) = 3(x-8)²+ 10

No Real Zeros

500

f(x) = 2(x+3)² - 72

Real zeros: 3, -9

General Form

100

Identify a, b, and c

f(x) = -x² - 12x + 14

a= -1

b= -12

c= 14

200

Use the quadratic formula to find the zeros of the function.

f(x) = 2x² + 3x + 1

^{Real zeroes: -1/2, -1}

300

Use the quadratic formula to find the zeros of the function.

f(x) = 2x² - 4x + 2

Real zero: -1

400

Use the quadratic formula to find the zeros of the function.

f(x) = -5x²

Real zero: 0

500

Use the quadratic formula to find the zeros of the function.

f(x) = 3x² - 8x +4

Real zeros: 2, 2/3

Desmos

100

Find the following real zeros using desmos. Round to the nearest hundredth.

f(x) = 2(x-11)² - 25

7.46, 14.54

200

Find the following real zeros using desmos. Round to the nearest hundredth.

f(x) = -4x² + 10

-1.58, 1.58

300

Find the following real zeros using desmos.

f(x) = (x-8)(2x+1)

Real Zeros: 8, -1/2

400

Write an equation that has no real zeros. Have your equation ready on desmos.

Check with desmos

500

Write an equation that has the following real zeros.

Real zeros: 200, -15

f(x) = (x-200) (x+15)

Trivia

100

Which direction does the sun rise from?

East

200

Who gave the U. S. the statue of Liberty?

France

300

How many dots are on one six sided die?

21

400

In an alphabetical list of US states, which comes last?

Wyoming

500

What national holiday is celebrated in all countries?

New Year's