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Solve each system of equations by graphing on your calculator. y = 3x -1 y = -2x+4

(1,2)

Solve each system of equations using elimination. x + 2y = 7 3x - 2y = -3

(1,4)

Solve each system of equations using substitution. y = 3x + 4 2x + y = 16

(1,7)

Solve each system of equations using substitution. y = 2x - 20 y = -x + 34

(18,16)

Solve each system of equations using elimination. 4x - y = 6 3x +2y = 21

(3,- 6)

Factor each expression. x2 - 144

(x+12)(x-12)

Factor each expression. x2 - 10x + 21

(x-7) (x-3)

Factor each expression. x2 + 7x + 10

(x-8)(x+1)

Graph each line below on the coordinate plane provided y = -2x + 5 3

.

Graph each line below on the coordinate plane provided y = 2x - 3

.

Graph the following linear inequalities .y < -2x + 2

.

Graph the following system of inequalities y<2x+1 y>-3

.

Simplify each expression. Use only positive exponents

1 27

Simplify the following radicals

1 3

Simplify each expression. Use only positive exponents

1 a7

perfect square

1, 4, 9, 16, 25, 36, 49, 64, 81, 100

Factor the GCF from each expression. 12x + 36

12 (x+3)

Simplify the following radicals

12 30

Solve by using a system of equations to represent the following situation. In a barn, there are 20 cows and roosters. There are a total of 64 legs in the barn. How many cows are in the barn? How many roosters?

12 cows and 8 roosters

Find the slope of the line passing through each pair of points.(-5, -10) and (-4, 7)

17

Solve by using a system of equations to represent the following situation. The sum of two numbers is 32. The difference of the same two numbers is 6. Find these numbers.

19 and 3

Find the slope of the line passing through each pair of points. (2, -4) and (6,4)

2

Simplify the following radicals

2 3

Factor the GCF from each expression. 4x3 + 2x2 + 16x

2x (2x2 + x + 8)

Simplify the following radicals

3 5

Rationalize each denominator below

35 7

Simplify each expression. Use only positive exponents

3n8 m4

Add or subtract the following by combining like terms (2x2 - 8x + 7)-(5x2 + 6x - 10)

3x2 - 14xn + 17

Find each product. (z + 3)(3z2 - z + 7)

3z3 + 8z2 +4z+21

Name each polynomial by its degree and by the number of its terms. x4 - x + 7

4th degree, trinomial

Simplify each expression. Use only positive exponents

5d3

Add or subtract the following by combining like terms (3x3 + 2x2 + 5x)+(2x3 - 7x2 + 2x)

5x3 - 5x2 + 7x

Rationalize each denominator below

7 6 6

Name each polynomial by its degree and by the number of its terms. 3

constant monomial

Find each product (d - 1)(d + 5)

d2 + 4d - 5

< > what kind of line

dotted

Name each polynomial by its degree and by the number of its terms. -16x + 3

liner, binomial

Find the slope of a line parallel and a line perpendicular to the line y = 2x -6

paraellel m = 2, perpendicular -1 2

Find the slope of a line parallel and perpendicular to 2x + 3y = 10

parellel -2, perpendicular -3 3 2

> >

shade aboved

< <

shade below

< > what kind of line

solid

Find the slope of the line passing through each pair of points (4,5) and(4,8)

undefined

Solve each equation by factoring x2 + x = 6

x = -3, x = 2

Solve each equation by factoring x2 - 5x - 6 = 0

x = 6, x = -1

Simplify each expression. Use only positive exponents

x11y26

Simplify each expression. Use only positive exponents

x6 y14

Simplify each expression. Use only positive exponents

x7

write th equation of the line that passes through the point (5, -1) and is paralle to the line

y = 3 x - 4 5

Find the equation of each line. Write your answer in y = mx + b form. passes through (2, 1); m = 3

y = 3x - 5

Graph the following lines. You will need to put them in slope intercept form first. 2y = 5x - 8

y = 5x - 8 2

Find the equation of each line. Write your answer in y = mx + b form. slope = ½ and y-intercept = -4

y = ½x - 1

Graph the following lines. You will need to put them in slope intercept form first. y + 3x = 7

y= -3x + 7 (graph)


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