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Evaluating expressions

100

Evaluate the expression

a+b|c-d|  for a = 2  b = 3   c=5   d=8

a+b|c-d|

(2)+(3)|(5-8|

2+3|-3|

2+3(3)

2+9 = 11

200

evaluate for a=-2 b = 3

-a + b

-(-2) + 3

2+3 

5

300

Evaluate the expression for a= -2  b = -3

a² - b

(-2)²-(-3)

4+3

7

400

evaluate for x = 3 and y = -4

2x-3y

2(3)-3(-4)

6+12

18

500

Evaluate the expression   a= 5  b=-4   c = -2

7a-b²c

7a-b²c

7(5)-(-4)²(-2)

35-16(-2)

35+32

67   oh no!! not 6-7!!!

Fraction operations

100

2/3 + 3/5

2/3 +3/5

10/15 +9/15

19/15

200

(3/5)(10/9)

(3/5)(10/9)

30/45 = 2/3

300

(4/5)divided by (2/3) 

(4/5)divided by (2/3) 

keep change flip

(4/5) (3/2) = 12/10 = 6/5

400

-3/4 - 5/6

-9/12 - 10/12 = -19/12 or       -1 and  7/12

500

1/2(3/8 + - 1/3)

1/2(9/24 + -8/24)

1/2(1/24)

1/48

Algebraic Expressions

100

What is the coefficient in this expression?

9-7x

-7

200

How many terms are in the expression?

5x²-8x+2x-8

4

300

Combine like terms

4x-7x²-3x+8-5x²

-12x²+x+8

400

Simplify the expression   -7(5x-8)

-35x+56

500

simplify

6-3(4x-8)

6-3(4x-8)

6-12x+24

-12x+30

Random Trivia

100

What is glass made from?

sand!

200

Which planet is the closest to the Sun?

mercury

300

Which artist released Thriller, widely recognized as the best-selling album of all time?

Michael Jackson

400

Which cell organelle is primarily responsible for producing usable energy (ATP) for the cell?

Mitochondria

500

Read the sentence: "The classroom was a zoo during the final minutes before dismissal." What type of figurative language is used here?

metaphor