7th math Unit 2 review

Polynomials

100

(5p² − 3) + (2p² − 3p³ )

−3p³ + 7p² − 3

200

(3a^2 + 1) − (4 + 2a^2 )

a^2 − 3

300

(−4k⁴ + 14 + 3k² ) + (−3k⁴ − 14k² − 8)

−7k^4 − 11k^2 + 6

400

(x² - 3x + 7) - (-3x² + 4x - 2)

4x² -7x + 9

500

(3 − 6n^5 − 8n^4 ) − (−6n^4 − 3n − 8n^5 )

2n^5 − 2n^4 + 3n + 3

Multiplication

100

(a⁴)(a⁵)

What is a⁹

200

(a⁴ b⁶)(a² b⁹)

What is (a⁶b¹⁵)

300

(3a⁵ b³)(5a⁴ b⁶)

What is (15ab⁹)

400

(x⁷ y⁴ z^-2)(x⁶ y⁴ z²)

What is (x¹³y⁸)

500

(-12w⁴ x¹⁹ y² z⁵)(3w⁶ x^-9 y³z)

What is (-36x¹⁰y⁵w¹⁰z⁴)

Division

100

(x³) / (x²)

What is x

200

(a¹⁸ b¹⁰) / (a⁸ b⁵)

What is a¹⁰ b⁵

300

(15 x^-4 y² z¹³) / (25 x⁶ y^-6 z¹⁵)

What is 3x² y⁸ /5z²

400

(x³ y⁵) / (x^-3 y⁶)

What is x⁶ y^-1

500

-6x³y⁷ + 45x⁶y³/5x³y^-4

3x³y⁷

Powers

100

(x⁵)⁶

What is x³⁰

200

(2a⁷ b⁹)⁵

What is 32a³⁵ b⁴⁵

300

(3 x^-2y⁵ z^-5)^-3

What is (1x⁶z¹⁵/27y¹⁵)

400

(2a⁶ b⁴)³

What is 8a¹⁶ b¹²

500

(7x^-5 y³ z³)³

What is 343y⁹ z⁹/x¹⁵

Translating expressions

100

Translate:

The sum of twice a number and 7

2x+7

200

sixty-six subtracted from a number p

p - 66

300

Negative thirteen decreased by 3 times a number

13 - 3x

400

Twice a number, decreased by 58

2x - 58

500

The quotient of 40 and the product of a number and -8

40/(-8x)

Simplifying expressions

100

3 − 8(7 − 5n) 

−53 + 40n

200

4(x − 10) − 6(x − 4)

−2x − 16

300

10(9 + 8n) − 6(7n + 9)

36 + 38n

400

Simplify:

4(-2x +3) - 18x +7(3x - 4)

-5x-16

500

4(10x + 6) − 10(9x + 9)

−50x − 66

Factoring expressions

100

Factor:

15x + 18y

3(5x+6y)

200

8x + 80

8(x + 10)

300

10r + 16

2(5r+8)

400

Simplify and Factor

4x+7-3-12x

4(-2x+1)

500

Simplify and Factor

6x − 3(2 − 3x)

3(5x-2)

PEMDAS

100

6*10div(3*2)

10

200

2^3(19-2*4)

88

300

(1-3)^2+(4^3-15)

53

400

3^2+6div3-(14*3)

-31

500

(-7*2^4)/(18-12div3)-(-2)

-6

Evaluating expressions

100

If a =4 and b=5

a^2+2b

26

200

If a = -4 and b = -3

3a^2-ab

36

300

if a = 2, b = -1, and c = -5

-5a+2(ab-c)

-4

400

if x = 2 and y = -3

(8x^2y)/(4x)

-12

500

if a =5 and b = 3

2/3(9a+ab)

40

Distributive Property

100

4(x+3)

4x+3

200

5(2x+3)

10x+15

300

12(4x+5y)

48x+60y

400

3(3x+6y)

9x+18y

500

8(7a + 3b + 9c)

56a + 24b +72c

Wild Card 2

100

What is the capital of Texas?

Austin

200

There are several animals that are the state animal of Texas.  These two in particular are the favorites, one being the obvious (what they are known for) and the other a cute 3 ringed armor ball.

Longhorn cattle and armadillo

300

This soda that boasts it has 23 flavors was invented in Texas

Dr. Pepper

400

What are the three colors used on the Texas flag?

Red, White and Blue

500

Texas is known for their special blend of mexican food called this.  (Hint its a combo of two words)

Tex-mex