One-Variable Equations
x + 4 = -2x - 8
-4
(0, 25) and (10, 0)
-2.5?
What is the y intercept?
y = -3x - 7
b = -7
In the equation of linear function: y=-4x-2, this is the y-intercept.
-2
What type of slope does a line have that is going down from left to right?
Negative Slope
-5(x-2)=(-3x)+8(-2)
13
(2, 5) and (8, 1)
-2/3?
What is the slope?
y = 3x - 5
m = 3
The measure of the steepness of a line
slope
What type of slope does a line have that is going straight across from left to right?
Zero Slope
3n+7=-5n - 1
1
(2,3) and (9,7)
4/7?
What equation has:
Slope: 1/2
Y - intercept: -3
y = 1/2x - 3
What color is Coach Revill's car?
silver
What type of slope does a line have that is going up from left to right?
Positive Slope
-3+(x/4)=(-8)-(x)
-4
(5, 7) and (3, 6)
1/2?
What is slope intercept form?
y = mx + b
The y value of a point at which a graph crosses the y-axis.
y-intercept
Is this written in slope intercept form?
x = my + b
No
-7(11+ n)=n+(25/5)
-10.25
(0,10) and (5, -5)
-3
Given: y = -1/3x
Find:
m=
b=
m = -1/3
b = 0
What is the slope formula when given two points?
(y2-y1 ) / ( x2-x2)
What type of slope does a line have that is going straight up and down?
Undefined slope