Positive/negative numbers
5 + (-3)
What is 2?
x + 3 = 21
x = 18
What is the slope and y-intercept of the following line:
y = 5x + 2
slope=5
y-intercept=2
Find the slope of a line that passes through the following points: (0, 0) (3, 2)
2/3
A number x multiplied by 12 is 120. Write this as an equation.
12x = 120
1
2x = 20
x = 10
What do m and b represent in y = mx + b?
m = slope
b = y-intercept
Find the slope of the line that passes through the following points: (1, 1) (1, 2)
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Which one of the following represents a proportional relationship?
y = 3x + 6
y = 3x
y = 3x
-20 - (-10)
-10
2x + 3 = 11
x = 4
Does this line have a negative or positive slope?
y = -10x + 4
negative
Find the slope of a line that passes through the following points:
(1,1) (2, 1)
zero
When x = 2, what is y?
y = 80
-90 + (-200)
-290
2x + 7 = 5x
x = 7/3
You order burritos for take-out for your birthday party. Delivery costs $15 and each burrito costs $7. Write an equation that gives us the total cost (y) depending on each burrito (x).
y = 7x + 15
Find the slope of the line that passes through the following points: (2, 6) (7, 8)
2/5
Combine the like terms to simplify the following:
2x + 9y + 10x - 2y = 106
12x + 7y = 106
90 - (-1000) + 5
1095
12x + 7 = 20x + 2
5/8
What is the slope and y-intercept of the following line:
y - 2 = 4x + 7
slope = 4
y-intercept = 9
Find the slope of a line that passes through the following points: (-2, 5) (-6, -10)
15/4
Simplify the following:
-5(4+2) - 7(4 + 6)
-90