Write the equation of a line that passes through points (-5,-6) and (0,5). You must write your answer in slope-intercept form.
y=(11/5)x+5
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25
Write the equation of a line that passes through (8,0) and is parallel to the line y=3x-6
(y-0)=3(x-8) or y=3(x-8) or y=3x-24
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10
Using the graph below, at what time is the water in the tank only 3 feet deep?
4 PM
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20
Find the x-intercept and y-intercept for the following linear function. -5x-2y=20
x-intercept (-4,0) y-intercept (0,-10)
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25
If you order a pizza, delivery is going to cost you 8.50, and then .50 cents for every topping you order. Write a linear model (equation). What is the cost if you get a pizza with three toppings?
y=0.5x+8.5 and $10.
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20
Write the equation of the line that passes through points (2,-3) and (4,5). Your answer must be in slope-intercept form.
y=4x-11
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20
Decide whether the data in each table is linear. If it is, write a linear equation in slope-intercept form to model it.
y=(4/3)x+9
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banana
Go to last place!
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fairy
Take points!
5
10
15
20
25
rocket
Go to first place!
Okay!
baam
Lose 10 points!
Oops!
10
Line a has the equation y=(2/3)x+5 and line b has the equation y=(-3/2)x+7. Are they parallel, perpendicular, or neither?
Perpendicular
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10
Line a has the equation y=(3/5)x+5 and line b has the equation y=(5/3)x+7. Are they parallel, perpendicular, or neither?
Neither
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5
Find the slope, and y-intercept y=(-2/3)x+4
slope, m=-2/3. y-intercept, b=(0,4)
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20
Using the graph to determine when f(x)=1 and the value of f(1)
f(x)=1 when x=-1, and f(1)=3
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seesaw
Swap points!
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star
Double points!
Okay!
gift
Win 5 points!
Okay!
banana
Go to last place!
Oops!
banana
Go to last place!
Oops!
magnet
Take 10 points!
Okay!
gift
Win 20 points!
Okay!
baam
Lose 5 points!
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25
Write the equation of a line that passes through (8,0) and is perpendicular to the line y=3x-6
(y-0)=(-1/3)(x-8) or y=(-1/3)(x-8)
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25
A new vampire joins a coven and altogether they number 13. Over the next 3 days, they turn 18 more vampires (a) Write a linear equation for this situation, (b) Determine how many vampires will be in the coven after 23 days.