Expressions and Equations
Slope
Linear Relationships
Rational Numbers
Ratios & Proportions
100
Combine like terms in the following expression: 3x + 4y - x
2x + 4y
100
What is the slope in the following equation: y = 4x + 78
m = 4
100
How can you tell if a relationship is linear by looking at a graph?
The relationship is linear if the line is straight.
100
-6 + 5 =
-1
100
What is a proportion?
A proportion is when 2 ratios equal each other.
200
Solve for y : 3y + 7 = 22
y = 5
200
What is slope the ratio of?
Rise over run
200
How can you tell if a relationship is linear by looking at a table?
There will be a constant rate of change(slope) for both the x and y variables.
200
-8 * -9 =
72
200
Write one equivalent ratio to: 2:3
4:6, 6:9, 8:12
300
Solve for x: 2(x + 3) = 18
x = 3
300
What is the slope of a line that passes through these points: x y -2 3 -1 5 0 7 1 9 2 11
m = 2
300
What is the y-intercept in the equation below? y = 6x
zero
300
(-5 + 3) - 2 * 3
-8
300
Solve the following proportion: 2/3 = x/24
x = 16
400
Solve for v: 4v - 5 = 3v + 7
v = 12
400
What is the slope of a line that passes through these points? (0, 3) and (0, 6)
m = undefined
400
Angel spends $6 on transportation to and from Coney Island. Each game costs $1.25. Write an equation for the total cost C of a trip to Coney Island.
C = 1.25g + 6
400
3[4- (-8)] + 4
40
400
Angel makes paint that is 1 part red and 5 parts white and another mix that is 2 parts red and 6 parts white. Which paint is least red?
Mix 1
500
Solve for y: 8y + 6 = -4y - 6
y = -1
500
What is the slope of a line that passes through these points? (3, 4) & (7, 4)
m = 0
500
Ben has $500 in his account and spends $5 each day. What is the y-intercept of the equation for this relationship?
Y-intercept = 500
500
(4 รท -2) * 3 - 7
-13
500
What percent of this class is girls?
41%
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