Which graph best shows a positive correlation between the number of hours studied and the test scores?
A
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baam
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star
Double points!
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rocket
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banana
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25
y=8.55x+179, $179
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15
Are the following lines parallel, perpendicular or neither?
perpendicular
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10
Identify the slope and a point on the line given the equation.
m=-3, (6, -4)
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15
Write an equation in point slope form of a linear function that passes through the points (3, -2) and (12, 4)
y+2=2/3(x-3) OR y-4=2/3(x-12)
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25
Write an equation in point slope form with the given information.
y+11=4(x+2)
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thief
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gold
Win 50 points!
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rocket
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lifesaver
Give 25 points!
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25
Write an equation in ALL THREE FORMS of a linear function that passes through the point (8, 5) and has a slope of 3/4
y-5=3/4(x-8), y=3/4x-1, 3x-4y=4
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25
y=95x+150; $1400
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25
Write an equation in slope intercept form with the given information.
y=-1/2x+7
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25
Write an equation in point slope form with the given information.
y+1=-2/3(x+6)
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25
ChitChat Wireless charges $0.30 per minute plus a monthly base fee. In September, Maggie used 120 minutes and her bill was $51. Write and solve an equation to find the cost if Mo uses 165 minutes in October.
y=0.3x+15; $64.50
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boom
Lose 50 points!
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rocket
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fairy
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25
thief
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15
Choose the linear equation that best fits the data shown on the graph.
