Finding Slope of a Line
What form do we use to graph a linear equation?
the slope-intercept form y = mx + b
What is slope intercept form?
y = mx + b
Evaluate:
-2 - 5
-7
Identify the slope of the following equation. y = 2x + 3
slope is 2
When graphing linear equations, where do we begin?
y-intercept or b
Describe the slope of this equation: y = -3/4x
negative
Solve:
3x - 2 = -14
x = -4
Find the slope: y=3x+2
m=3
What is the y-intercept of the given equation?
y = 1/3x + 4
b=4
Describe the slope of this equation: y=2x
positive
What is the slope of this equation?
x = 5
Undefined Slope
Find the slope: y=x
1
Identify the y-intercept. y = x-2
b=-2
Rewrite the following equation in slope-intercept form. -x + y = 3
y = x +3
Graph the following equation. 8x + 4y = 16
Should be rewritten as y = -2x + 4 and then graphed.
Find the slope of the line: y=4m
4
Find out the y-intercept. y=x
b=0
Rewrite the following equation in slope-intercept form. y-2x = -21
y=2x-21
Is x = 2 a solution to the equation 2(x - 5) + 3 = 13 ?
No it is not a solution.