Algebra I Second Review

Systems of Equations

100

y = 4x − 9

y = x − 3

(2, −1)

200

−7x + 2y = 18

6x + 6y = 0

(−2, 2)

300

−8x − 10y = 24

6x + 5y = 2

(7, −8)

400

−16y = 22 + 6x

−11y − 4x = 15

 (−1, −1)

500

−24 − 8x = 12y

1 + (5/9) y = − (7/18) x

(6, −6)

Evaluating Function Rules

100

h(t) = |t + 2| + 3; Find h(6)

11

200

g(a) = 3^3a-2 ; Find g(1)

3

300

f (x) = x² − 3x; Find f (−8)

88

400

p(a) = -4^3a ; Find p(−1)

-1/64

500

k(a) = -4^3a+2 ; Find k(a − 2)

−4^{3a − 4}

Finding Slopes of Lines

100

Find the slope of the line:

y = -(1/5)x - 4

-1/5

200

Find the slope of the line:

y = -2/3x - 1

-2/3

300

Find the slope of the line:

2x + 3y = 9

-2/3

400

Find the slope of the line with points:

(-6,9), (7,-9)

-18/13

500

Find the slope of the line with points:

(-18,-20), (-18,-15)

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Graphing Lines

100

y = (7/2)x - 2

check student sheet

200

y = (6/5)x + 1

check student sheet

300

x = 5

see student sheet.

400

2x + 6y = 6

see student sheet 

m = -1/3

b = 1

500

y + 3 = -2(x - 4)

m = -2

(4, -3)

Writing Equations of Lines

100

Write the slope-intercept form of this:

3x − 2y = −16

y = (3/2)x + 8

200

Write the point slope form using:

through: (1, 2), slope = 7

y - 2 = 7(x - 2)

300

Write the slope intercept form of:

through: (3, 5), slope: 5/3

y = (5/3)x

400

Write the standard form of the line with:

point: (-1,2)

slope: 2

2x - y = -4

500

Write the standard form of the line with:

point: (2,-4)

slope: -1

x + y = -2