Solving Equations Jeopardy Review

Factoring Fully

100

4x⁴ - 64

What is 

(2x²+8)(2x² -8)

200

5x²−20

5(x+2)(x-2)

300

6x² + 42x + 60

What is 

6 (x+2)(x+5)

400

3x²  +9x - 84

What is 

3(x+7)(x-4)

500

5x² + 45 x +100

What is 

5(x+4)(x+5)

Factoring Trinomials

100

x²+9x+20

What is 

(x+4)(x+5)

200

x²−14x+45

What is

(x−9)(x−5)

300

x²+2x−15

(x+5)(x−3)

400

x²−11x+28

What is

(x−7)(x−4)

500

x²+12x+27

What is

(x+3)(x+9)

Multiplying Binomials

100

(x+2)(x+3)

x²+5x+6

200

(x−5)(x−6)

x²−11x+30

300

(2x+3)(x−4)

2x²−5x−12

400

(3x−1)(2x+5)

6x²+13x−5

500

(2x+7)(2x−7)

4x²−49  (difference of squares)

Solving for x

100

x/2 = 5

What is 

x = 10

200

2x-3 = 5

What is x = 4

300

x/2 +4= 10

What is x = 12

400

x/5 + 5 = x/3

What is

x = 37.5

500

2x/3 +2 =x/2

What is 

x = -12

Random

100

Factor fully:4x² - 9

(3x+3)(3x-3)

200

Evaluate: If x = 2, y = -1 

3x - 4y 

3(2) - 4(-1)

6 - (-4)

= 6+4

= 10

300

Expand and simplify: (2x−5)(x+4)

2x²+3x−20

 

400

Simplify: 6(x−2)+4(2x+3)

6x−12+8x+12=14x.

500

When x=−1,y=4. calculate 2x²+3y

What is 

2 (-1)² + 3(4)

= 2(1) + 12

= 14