Vocabulary
Is 2d + 5 an expression or an equation?
Expression
Solve for y:
x = 6
y = 2x - 3
9
What are the "like" terms in the expression 6h + 5y - 2y +8
5y and -2y
1. 4/9 x 3/5
2. -3 1/4 x 2
1. 4/15
2. -6 1/2
<,>, or =
|-6| |-12|
<
Is 5c - 2c = 3c and expression or equation
equation
Convert 3/4 mi. = _________ ft
3,960 ft.
Evaluate each expression if a=4/5, b=-5/6, and c=3 1/2. Write the product in simplest form.
1. ab
2. -3b
3. -1/3 ac
1. -2/3
2. 2 1/2
3. 14/15
1. 1/4 divided by 1/16
2. -1 4/5 divided by 2/3
1. 4
2. -2 7/10
What is the average?
Stock price changes: $6, -$6, -$9, $1, $3
-$1
Which number is the coefficient in the equation 3x + 6 = 18
3
Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?
$1.25 per pound
x+5/4=7
Solve for x
x=23
1. Evaluate: − 6 + 3(9 - 7)
2. Evaluate: −8 ÷ 8 (1 + 3) - 1
1. 0
2. -3
Name the property shown:
7+6=6+7
Commutative Property of Addition
Twice a number is 18 more than 5 times a number.
2x=18+5x
There are 4 milk chocolates to every 2 dark in a box of chocolates. There are 34 dark chocolates in the box. How many milk chocolates are in the box?
68
Add the polynomials: 2a +3b + 5a -7b
7a-4b
Solve for k:
4(−2k−8)=6(k+18)
k= -10
Multiply
2(7-3d)
What property was used?
14-6d
Distributive Property
Write as decimals
1. 7/9
2. ⅜
3. -⅔
1.0.778
2.0.375
3. -0.667
Suppose you start hiking from a point 92 ft below sea level and break for lunch on a hilltop that is 1,673 ft above sea level. What is your change in elevations?
increase of 1,765 ft
15f−23=2(4f+20)
f=9
(4x^4)^2
16x^8
Simplify
4x+3-2(5+x)
2x-7