Slopes and Intercepts
Slope Formula
Review I
Finding Slope
Review II
100
What is the y-intercept of this graph?
1
100
What is the equation of a line
y=mx + b
100
-5 + 11
6
100
Find the slope when given (3,1) (4,2)
1
100
The y-intercept represents where a graphed line crosses the _____
y-axis
200
y = 10x - 13
What is the y-intercept for this function equation?
-13
200
What does b represent in the equation of a line, y=mx + b
y-intercept
200
1.5(1.5) =
2.25
200
Find the slope when given (7,3) (8, 10)
7
200
Use the distributive property to simplify the expression
1/3(6x - 9) =
2x - 3
300
What is the slope of this line?
y = -x - 3
y = -x - 3
slope = -1
300
In the equation of a line, y=mx + b, what is the formula for finding m
y2 - y1 Rise
_______
x2 - x1 Run
300
1 1/3 x 2
2 2/3
300
Find the slope when given (3,1) (1,7)
-3
300
Distribute and combine like terms
3(x + 17) + 7x
10x + 51
400
What is the slope of this line?
slope = 2
400
In the equation of a line, y=mx + b, what does m represent?
slope
400
1 1/2 / 3 =
1/2
400
Find the slope when given (2,5) (3,2)
-3
400
A parallelogram has an area of 50 square inches. The base is 10 inches. What is the height?
5 inches
500
Two points are plotted at (5,1) and (6,6). What is the slope?
5
500
Look at this table:
x_|_y
0 | 8
1 | 6
2 | 4
Is the slope negative, positive, zero, or undefined? How do you know?
x_|_y
0 | 8
1 | 6
2 | 4
Is the slope negative, positive, zero, or undefined? How do you know?
Negative. m = -2
500
Find the volume of a cube that is 5 inches on each side
125 cubic inches
500
Find the slope when given (2,5) (1,2)
3
500
The volume of a cube is 27 cubic feet. What is the height of the cube?
3 feet