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1

RAE Test

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7x+4 / x^2+x

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-x^2+4x+4 / 2x

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-x+9 / x^2-9

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x-7 / (x+1)(x-3)(x-2)

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10

Standard Form:

y = -x+4

x+y=4

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11

Standard Form:

y = 5x+7

-5x+y=7

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12

Standard Form:

y = 1/2x+3

-1/2x+y=3

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13

Standard Form:

y+2x+3=0

2x+y=-3

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14

Standard Form:

2x+2-5+4y=0

2x+4y=3

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15

Slope-Intercept Form:

x+2y=4

y= -x/2+2

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16

Slope-Intercept Form:

3x-y=2

y=3x-2

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17

Slope-Intercept Form:

5x+2y=7

y=-5/2x+7/2

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18

Slope-Intercept Form:

-4x+8y=20

y=1/2x+5/2

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19

Who invented the cartesian plane?

RENE DESCARTES

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20

ABSCISSA

x-coordinate

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ORDINATE

y-coordinate

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an equation in two variables which can be written in two forms

Linear Equations

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Standard Form

Ax + By = C

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Slope-Intercept Form

y = mx + b

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25

Rewrite the following equations in the standard form

y = -x + 4

x+y=4

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26

Rewrite the following equations in the standard form

y = 5x + 7

-5x+y=7

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27

Rewrite the following equations in the standard form

y = 1/2x + 3

1/2x+y=3

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28

Rewrite the following equations in the standard form

y+2x+3=0

2x+y=-3

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29

Rewrite the following equations in the standard form

2x+2-5+4y=0

2x+4y=3

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30

Rewrite the following equations in the slope-intercept form

x+2y=4

y = 1/2x+2

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31

Rewrite the following equations in the slope-intercept form

3x-y=2

y = 3x-2

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32

Rewrite the following equations in the slope-intercept form

5x+2y=7

y = 5/2x+7/2

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33

Rewrite the following equations in the slope-intercept form

-4x+8y=20

y = 1/2x+5/2

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34

Graph each linear function using two points

4x = y + 5

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Graph each linear function Using x- and y-intercepts

y = 2x + 1 Let y = 0 Let x = 0

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Graph each linear equation whose x-intercept a and y-intercept b are given below.

a = 2 and b = 1

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Graph each linear equation whose x-intercept a and y-intercept b are given below.

a = 4 and b = -1

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Using x- and y-intercepts formula

(a, 0) and (0, b)

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slope is positive

Pointing upward to the right

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slope is negative

Pointing downward to the left

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Horizontal line

zero

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vertical line

undefined

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Graph each linear equation Using slope and a point

m = 3 and (0, -6)

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Graph each linear equation Using slope and a point

m = -2 and (2, 4)

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