write the point-slope form of a line.. y = y 1 + b (x - x 1 )
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Write the point-slope form of a line.
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y = y1 + b (x - x1)
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Find a line that is perpendicular to 4x - 5y = 20that goes through the point (6, 15).
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y = -1.25x + 22.5
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Find explicit formulas for the sequencesu0 = 26un = un-1 + 16
t1 = -15tn = tn-1 - 3
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un = 26 + 16n
tn = -12 - 3n
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What is true about the equations for two lines that are parallel?
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Same Slope
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Where do forest fires travel faster? uphilldownhilldoesn't matter
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uphill
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Write an equation for a vertical line through the point (6, -4).
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x = 6
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Find an equation for a line one-third of the wayfrom y = -1.8x + 74.1 and y = -1.8x + 70.5.
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y = -1.8x + 72.9
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Find the for a line that has slope -7 and an x-intercept of 6.
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y = -7x + 42
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Explain the concept of interpolation.
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Use a line of fit to estimate a value when the value is within the given data.
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What sport is the most common cause of eye injuries in the U.S.?
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baseball
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s = 7 - 3n7n + 2s = 40
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(26, -71)
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Year 1950 1960 1970 1980 1990 2000
Price 0.27 0.31 0.36 1.19 1.15 1.56
Find the median median line for the dataand predict the price in 2010.
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y = 0.027x - 51.781.74
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Year 1950 1960 1970 1980 1990 2000
Price 0.27 0.31 0.36 1.19 1.15 1.56
Find the root mean square error for the median-median line.
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.222
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When you try to solve a system with no solution, what will happen?
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You will get a statement that is untrue
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Unlike most other fish, sharks have no ______?
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Bones
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Name 4 ways to solve a system.
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TableGraphingSubstitution Elimination
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Solve the system3x + 4y = 122x - 6y = 5
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(46/13, 9/26)(3.539, 0.346)
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Alyse earns $15.40 per hour, and she earns time and a half for working pask 8:00 P.M. Last week she worked 35 hours and earned $600.60. How many hours did she work past 8:00 P.M.?
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27 regular8 after 8:00 P.M.
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2x + y - z = 23x + 2y + 3z = 175x - y + 2z = 15
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(2, 1, 3)
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What president was once offered a contract with the Cincinnati Reds
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William H. Taft