Evaluating expressions
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
2/3 + 3/5
2/3 +3/5
10/15 +9/15
19/15
What is the coefficient in this expression?
9-7x
-7
What is glass made from?
sand!
evaluate for a=-2 b = 3
-a + b
-(-2) + 3
2+3
5
(3/5)(10/9)
(3/5)(10/9)
30/45 = 2/3
How many terms are in the expression?
5x2-8x+2x-8
4
Which planet is the closest to the Sun?
mercury
Evaluate the expression for a= -2 b = -3
a2 - b
(-2)2-(-3)
4+3
7
(4/5)divided by (2/3)
(4/5)divided by (2/3)
keep change flip
(4/5) (3/2) = 12/10 = 6/5
Combine like terms
4x-7x2-3x+8-5x2
-12x2+x+8
Which artist released Thriller, widely recognized as the best-selling album of all time?
Michael Jackson
evaluate for x = 3 and y = -4
2x-3y
2(3)-3(-4)
6+12
18
-3/4 - 5/6
-9/12 - 10/12 = -19/12 or -1 and 7/12
Simplify the expression -7(5x-8)
-35x+56
Which cell organelle is primarily responsible for producing usable energy (ATP) for the cell?
Mitochondria
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!!!
1/2(3/8 + - 1/3)
1/2(9/24 + -8/24)
1/2(1/24)
1/48
simplify
6-3(4x-8)
6-3(4x-8)
6-12x+24
-12x+30
Read the sentence: "The classroom was a zoo during the final minutes before dismissal." What type of figurative language is used here?
metaphor