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Laabri

2020-21 Unit 4 Test

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Last updated almost 4 years ago
19 Nsɛmmisa
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1.

HONOR CODE:

By submitting this assessment, I am affirming that I have not given or received any unauthorized help on this assignment, and that this work is my own.

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2.

Write the equation for a horizontal line that goes through the point (2,3)

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3.

Write the equation for a vertical line that goes through the point (2,3)

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4.

Show your work!

Identify the x-intercept of 2x + 3y = 6 as an ordered pair.

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5.

Show your work!

Identify the y-intercept of 2x + 3y = 6 as an ordered pair.

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6.

Sketch the line given by 2x + 3y = 6.

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7.

Show your work!

Rewrite the equation in slope-intercept form.

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8.

Write an equation in slope-intercept form of the line shown.

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9.

Show your work!

Write an equation in slope-intercept form for the linear function f with the given values:

f(2) = -2, f(5) = 7

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10.

You are taking Tae Kwon Do classes that costs $15 a month. In addition to the classes, you need to purchase a uniform. You paid a total of $108 for the uniform and 6 months of classes.

Write an equation in slope-intercept form that gives the total cost, y (in dollars) as a function of the length of time you have been taking classes, x (in months).

Show your work.

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11.

Show your work!

Write an equation in point-slope form of the line that passes through the given points:

(2, -2) and (5, 7)

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12.

Identify the slope of the given equation:

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13.

Identify the point of the given equation:

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14.

Show your work!

Write an equation in standard form that passes through the given points.

(2, 9) and (4, -1)

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15.

Look at the equations below:

Choose all that apply:

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16.

Show your work!

Write the equation of the line (any form!) perpendicular to y = 2x - 6 that goes through the point (4, -9).

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17.

Describe the correlation of the data based on your scatter plot.

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18.

Perform a linear regression to find the equation of the best fitting line. Round to the hundredths place, if necessary.

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19.

If a 100-gram serving of an avocado contains 161 kilocalories of energy, approximately how many carbohydrates does it contain?