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Laabri

Unit 4 Test (231-01) 1A - Linear Equations

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Use the graph below to answer questions 1 to 4.

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1.

Which line has the slope of \frac{3}{4}

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3.

Write the equation of the line C in y-intercept Form (y-int Form is y=mx+b

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5.

What is the slope of the line that contains the points (-6, 1) and (4,-4)?

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6.

Which graph best represents the linex-y=3

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7.

Identify the x and y-intercepts .o

10x+4y=-20

HINT: to find the x-intercept.. let y be 0.

x-intercept:

y-intercept:

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8.

Identify the equation of the line graphed below:

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9.

Identify the equation of the line graphed below:

HINT: check the x and y intercepts.

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10.

Graph the linear equation y=-2, and provide the slope below:

HINT: there is no .x terms so it is y=0x-2

slope (m) =

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11.

Graph the linear equation y=-3x+1, and provide the slope below:

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12.

OPTIONAL: Which is the equation of the line that passes through the points (-4, 3) and (2, -6)?

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13.

Which lines have a y-intercept of 5? There are 2 correct answers.

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14.

OPTIONAL: You plan to go snowboarding this weekend in Pennsylvania. The resort charges $15.75 per hour inaddition to a $25 deposit to rent a snowboard. Write and solve linear equation to find the total cost to ]rent the snowboard from 8:30 a.m. until 12:30 p.m.

EQUATION:

Solution:

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15.

OPTIONAL: When Brandon went bowling, it cost $4.95 per game, plus a one-time fee to rent the shoes. Brandon played 5 games and paid $32. Write and solve a linear equation to find the cost to rent the shoes.

EQUATION:

Solution:

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16.

OPTIONAL: Brielle’s piggy bank has all nickels and dimes. The total value of the money in her piggy bank is $7.80.

If Brielle has 66 nickels, write and solve a linear equation to find the number of dimes she has.

EQUATION:

Solution:

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2.

Which line has undefined slope

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4.

Write the equation of the line C in Standard Form (Standard form is Ax+By=C)

HINT: Use your equation from question 3, then re-arrange to make Standard Form.