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Find the Slope of the Line
Find y-intercept of the Line
Vocabulary
Express in Slope-intercept Form
Review
100
y = 2x + 1
What is 2
100
y = 4x - 5
What is (0, -5)
100
y-intercept of a line
What is the point at which the line crosses the y-axis?
100
m = -5 and the y-intercept is 1
What is y = -5x + 1
100
Solve 3x + 2 = 5x - 6
What is x = 4
200
y + 3x = 5
What is -3
200
through (1, 3) and (0, 4)
What is (0, 4)
200
x-intercept of a line
What is the point at which the line crosses the x-axis?
200
m = 0 and the y-intercept is -4
What is y = -4
200
Solve |x - 1|<3
What is -2 < x < 4
300
2y - 5x = 1
What is 5/2
300
3x - 2y = -6
What is (0, 3)
300
Linear function
What is a function whose graph is a line?
300
9x + 6y = -18
What is y = -3/2 x - 3
300
Solve |x + 2| > 2
What is x < -4 or x > 0
400
2/3 x = 3/4 y - 3
What is 8/9
400
x = 3y + 2/7
What is (0, -2/21)
400
Slope
What is the ratio of the vertical change to the horizontal change between points?
400
0.2x - 0.6y = 1.2
What is y = 1/3 x - 2
400
Solve v = 1/2(hlw) for l
What is i = (2v)/(hw)
500
through (2/5, -2/3) and (-1/2, -3/4)
What is 5/54
500
-2/3 x - 3/4 y - 3 = 1/4
What is (0, -13/3)
500
slope-intercept form
What is y = mx + b, where m=slope and (0, b)=y-intercept?
500
1/2 x = 5/6 y + 3/4
What is y = 3/5 x - 9/10
500
Exaluate f(x) = -9x + 2 for x= -2/3.
What is 8