Evaluate Expressions
Proportional Relationships
Expressions & Exponent Rules
Fractions, Decimals, Percents
Equations
100
Evaluate 3y + 9 when y = 12.
3(12) + 9 = 36 + 9 = 45
100
How do you know if a graph represents a proportional relationship?
It is a straight line that passes through (0, 0).
100
-12 - (-4)
-8
100
Rewrite 0.15 as a percent and as a decimal.
0.15=15/100=15%
100
12x=4
Write your answer as a fraction in simplest form.
1/3
200
How many cats and dogs does Mrs. Powning have?
4
200
Does this table represent a proportional relationship? How do you know?
This table is NOT proportional.
It does not have a constant rate.
200
\frac{(-13)(-3)}{(-6)}
-6.5
200
Rewrite as a decimal and as a percent:
8/25
8/25=32/100=0.32=32%
200
12.3-x=4.7
x=7.6
300
Evaluate 9x - 2 when x = -2.
9(-2) - 2 = -18 - 2 = -20
300
Does this table represent a proportional relationship? If so, what is the unit rate?
Yes, the table represents a proportional relationship.
The unit rate is 13 apples/1 tree.
300
(x^12)^4
x^48
300
Alex got 30% of the questions on the math final correct that was 50 questions long. How many questions did Alex get correct?
15 questions.
300
a - 16 = 4a + 29
a=-15
400
Evaluate x2 + 3x + 7 when x = 8.
82 + 3(8) + 7 = 64 + 24 + 7 = 95
400
Solve this proportion using a Giant One:
\frac{2}{3} = \frac{x}{27}
x = 18
400
-3a^-3*4a^15*a^0
-12a^12
400
Multiply and write your answer as a mixed number:
-1 2/3 * 6/7
-1 9/21
400
3n + 6 (n + 4) = 9 (n - 2)
No Solution
500
Evaluate 6x + 7y - 14 when x = -3 and y = 5.
6(-3) + 7(5) - 14
3
500
Solve this proportion using a Giant One:
\frac{12}{38} = \frac{4.5}{x}
x = 14.25
500
- (24r^-5 s^8 t^-1)/(6r^4 s^3 t^-1)
(-4s^5)/(2r^9)
500
Write
-1.121212...
as a fraction in the simplest form.
-1 4/33
500
-1/4 (20m - 8) = 4 (m - 4)
m=2