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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10
Line a has the equation y-8x=5 and line b has the equation y=(-1/8)x+7. Are they parallel, perpendicular, or neither?
Perpendicular
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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
Find the x-intercept and y-intercept for the following linear function. x-y=7
x-intercept (7,0) and y-intercept (0,-7)
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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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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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10
Find the slope, and y-intercept y-4=(1/3)(x+12)
Slope, m=1/3. y-intercept, b=(0,8)
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5
Given the following information, would you write the equation in POINT-SLOPE FORM, or SLOPE-INTERCEPT FORM
(2,-3) and (0,5)
EITHER
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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.
(a) y=6x+13 (b) 151 vampires
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10
Using the graph below, at what time is the water in the tank only 3 feet deep?