Scientific Notation & Exponents
Distributive Property
Percents Part 1
Combine Like Terms
Percents Part 2
Proportional Relationships
100
Write the following number in scientific notation:
76,540,000
7.654 x 107
100
Simplify the expression: 2(4x+2)
8x + 4
100
A kitten's weight at the first vet visit was 3 pounds. At the second vet visit, it was 9 pounds. What is the percent of increase?
200%
100
Simplify: 5x + 7x - 4
12x - 4
100
Find 0.4% of 98
0.392
100
What is the constant of proportionality in the equation: y = 3x ?
3
200
Write the following number in standard notation:
2.01 x 10-7
0.000000201
200
Simplify: 5(x - 3)
5x - 15
200
A sales representative earns 15% commission on every sale. What did they earn on a $4,000 sale?
$600
200
Simplify: 3x + 6 - 7x + 3
-4x + 9
200
Find the final cost of a $15 shirt, with a 7% sales tax.
$16.05
200
Name the 2 characteristics used to determine proportionality from a graph.
1. A straight line.
2. The line passes through the origin.
300
Simplify the following expression: 2n4 x 7n6
14n10
300
Simplify: 7 + 9(2x - 3)
18x - 20
300
The number of students estimated to vote in the school election was 1,000. The actual number of students who voted was 950.
Find the percent error. Round the percent to the nearest whole number.
5%
300
Simplify: 8 + 4x + 1 - 12 + 5x
9x - 3
300
Find the final price of a $55 sweater after a 34% discount.
$36.30
300
Does the following table represent a proportional relationship? Explain.
x y
6 36
48 288
12 72
Yes, there is a constant unit rate of 6.
400
10a9 / 2a6
5a3
400
Simplify: -3(-x - 10)
3x + 30
400
Matthew borrowed $7,000 from the bank for a car loan. How much will he pay back in interest over 3 years with a 13% interest rate?
$2,730
400
Simplify: (-11j + 16) + (- 22j - 27)
-33j - 11
400
A new pair of shoes is $115. What is the selling price after a 20% discount and an 8% sales tax?-3(-x-10)
$99.36
400
Does the following equation represent a proportional relationship?
y = 6x - 8
No, proportional relationships are only written in the form y = kx.
500
(2xy)4
16x4y4
500
Simplify: x + 10 - 6(x - 3x) + 4
13x + 14
500
Paint costs $4 per can and brushes cost $3 each. The sales tax rate is 5%. Write an expression to represent the total cost of p cans of paint and b paint brushes?
1.05(4p + 3b)
500
Simplify: 9y + 3 - 4x - 2y - 3x - 5
7y - 7x - 2
500
Best Buy bought a phone case for $45 and marked up the price 60%. What is the selling price?
$72
500
Does the following equation represent a proportional relationship?
y = -4x
Yes! y = -4x is written in the form y = kx.