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Slope and Y-Intercept
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How do we graph slope?
How do we graph slope?
rise/run
Find the slope of a line with points (3,3) and (2,1)
Find the slope of a line with points (3,3) and (2,1)
2/1
Name the slope in the following word problem: Ms. Ross has to rent a car. She is charged $50 then $.40 per mile traveled.
Name the slope in the following word problem: Ms. Ross has to rent a car. She is charged $50 then $.40 per mile traveled.
0.40
Name the slope in the following word problem: Malik is saving to buy a car. He has $2,600 from working over the summer and he makes $95 a day at his current job.
Name the slope in the following word problem: Malik is saving to buy a car. He has $2,600 from working over the summer and he makes $95 a day at his current job.
$95
Find the slope of a line with points (-2,3) and (10,-1)
Find the slope of a line with points (-2,3) and (10,-1)
12/-4 or -12/4 or -3
What is the y-intercept?
What is the y-intercept?
Where the line crosses (or intersects with) the y-axis.
What is the value of the x coordinate at the y-intercept?
What is the value of the x coordinate at the y-intercept?
x = 0
What are the coordinates of the y-intercept in the following line? 8y= 16x - 32
What are the coordinates of the y-intercept in the following line? 8y= 16x - 32
(0, 4)
What are the coordiantes of the y-intercept in the following line: y = 3x - 5
What are the coordiantes of the y-intercept in the following line: y = 3x - 5
(0,-5)
What are the coordiantes of the y-intercept in the following line: y = 3/4x
What are the coordiantes of the y-intercept in the following line: y = 3/4x
(0,0)
What does m stand for in the formula?
What does m stand for in the formula?
Slope
What does b stand for in the formula?
What does b stand for in the formula?
Y-Intercept
Write the formula for a line with a slope of -3/4 and a y-intercept of 6.
Write the formula for a line with a slope of -3/4 and a y-intercept of 6.
y = -3/4x + 6
Find the value of y for the line y = 3x + 5 when x = 4
Find the value of y for the line y = 3x + 5 when x = 4
17
Find the value of y for the line y = 1/2x - 2 when x = 6
Find the value of y for the line y = 1/2x - 2 when x = 6
1
Solve for y: 2y = 8x + 4
Solve for y: 2y = 8x + 4
y = 4x + 2
Solve for y: y + 3x = 10x + 5
Solve for y: y + 3x = 10x + 5
y = 7x + 5
Solve for y: 3y + 4x = 7x + 9
Solve for y: 3y + 4x = 7x + 9
y = 1x + 3
Solve for y: 5y + 15 = 20x + 25
Solve for y: 5y + 15 = 20x + 25
y = 4x + 2
Solve for y: 3y - 6 = 6x - 18
Solve for y: 3y - 6 = 6x - 18
y = 2x - 4
Draw the line y = 3x + 2
Draw the line y = 3x + 2
Draw the line y = -4/3 x + 5
Draw the line y = -4/3 x + 5
Draw the line y = 1/5 x - 4
Draw the line y = 1/5 x - 4
Draw the line y = 8
Draw the line y = 8
Draw the line y = -3/5x
Draw the line y = -3/5x
What is the formula for finding the slope between two points?
What is the formula for finding the slope between two points?
Y2-Y1 / X2-Y1
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What Would You Like To Risk?
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Go To The Final Question
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