Which axis is the vertical line?
The y-axis.
Which axis is the horizontal line?
x - axis
When you are solving equations, your goal is to get what by itself?
the variable (the letter)
Lisa is cooking muffins. The recipe calls for 7 cups of sugar. She has already put in 2 cups. How many more cups does she need to put in?
5 cups
- 3x = - 12
x = 4
Does this have a positive, negative, or no slope?
positive
Which is the quadrant on the top, right-hand side of the coordinate plane?
Quadrant I
A letter that is used to represent an unknown number, i.e. x, y.
What is a variable?
How many packages of diapers can you buy with $40 if one package costs $8?
5
Solve the equation: 34 - x = 20.
What is x = 14?
The "b" in y = mx + b (official term)
y-intercept
What is the x value for this point (3, 6)?
3
x - 6 = - 14
x = - 8
Last Friday Trevon had $29. Over the weekend he received some money for cleaning the attic. He now has $41. How much money did he receive?
$12
Solve the equation: 4x + 1 = 17
What is x = 4?
The "m" in y = mx + b (official term)
slope
If the point is ( -2, 5). Tell me how to get to that point.
go to the left 2 and up 5.
-2x = - 10
x = 5
Last week Julia ran 30 miles more than Jesus. Julia ran 47 miles. How many miles did Jesus run?
17 miles
What is the y-intercept of the line y = 2x-10?
y intercept = - 10
What is the slope of the line y = -3x + 6?
The slope is - 3
What is the name for this point (0,0)?
origin
2x - 3 = 9
x = 6
At a restaurant, Mike and his three friends decided to divide the bill evenly. If each person paid $13 then what was the total bill?
$52
Write the equation of the line with a y intercept of 4 and a slope of - 2.
y = - 2x + 4