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Algebra - Linear Functions Quiz Review
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Calculate the slope.
m=1/4
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Identify the equations that represent a direct variation.
1, 4, 5
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Find the slope.
m=2
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Find the slope.
m=0
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(7, 3) and (x, -2) m = 5
x=6
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If y varies directly with x and x is 6 when y is 16, find x when y is 4.
x=1.5
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Determine whether the equation is a linear equation. If yes, write the equation in standard form.
yes, 4x - 3y =6
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The graph represents the number of trout in a lake. State the x and y intercepts and interpret them for the situation.
y int (0, 350) There are 350 trout initially. x int (25, 0) After 25 years there are no trout left in the lake.
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-0.05; an average decrease in cost of $0.05 per year
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Identify the constant of the ordered pairs in the table. Then write a direct variation equation to represent the relationship.
k=1/4, y=1/4x
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Find the x and y intercept of the equation: 8x + 4y = -16
x int: (-2, 0) and y int: (0, -4)
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(-4, 1) and (11, y) m=0
y=1
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Find the slope.
m=-2/3
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Calculate the slope.
m=-2
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What is the slope of the line with the equation x=8?
undefined
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Calculate the slope.
m=undefined
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Determine whether the equation is a linear equation. If yes, write the equation in standard form.
nonlinear
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Graph the equation by making a table of values.
(-8, 4), (-4, 3), (0, 2), (4, 1)
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(-15, y) and (-10, 3) m = -6/5
y=9
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Okay!
y=-3x
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Okay!
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