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
-3x(2-4)+5 = 6x+3
No solution
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(x) +8 = 3.25x +5 -1.75x + 3
Infinitely Many Solutions
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
-4x - (-x + 9) = 3x + 7
One Solution
300
Find the slope when given (3,1) (1,7)
-3
300
(2x - 1)+(3x + 2)=2(2.5x+1/2)
Infinitely Many Solutions
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
Write your answer in simplified slope intercept form
3y = 6x + 9
y = 2x + 3
400
Find the slope when given (2,5) (3,2)
-3
400
A right triangle has an area of 50 square inches. The base is 10 inches. What is the height?
10 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?
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