3rd Quarter Review

Miscellaneous

100

What is the slope of the line given by the equation y=3x -4

3

200

If a system of equations has no solution then the lines will...

Be parallel

300

What is the negative reciprocal of -5

1/5

400

The name of a polynomial with two terms

Binomial

500

What are the THREE methods you can use to solve a system of equations?

Graphing, Substitution, Elimination

Solving Equations

100

Evaluate the equation y=2x-7+3(x+2) when x=-1

-6

200

Solve the equation 2x+1=6

x= (5/2) or 2.5

300

Solve the equation (x+5)/4=-3

x=-17

400

Solve the equation: 3(2+5a)-(4a+1)=3

a=(-2/11) or -.1818

500

Solve the equation for b:

4a+5-3b=6

b=(1-4a)/-3

Writing Equations

100

What mathematical operation does the word "difference" mean?

Minus (-)

200

Write an equation for the following sentence:

Two more than a number is equivalent to four.

2+x=4

300

Write an equation of the line passing through the point (2, -3) and with slope 4

y=4x-11

400

Write the equation of the line passing through the points (2, 4) and (1, -1)

y=5x-6

500

Write the equation of the line passing through      (-2, -3) and perpendicular to the line with equation 

y=(1/2)x - 5

y=-2x-7

Systems of Equations

100

What does the graph look like for a system that has infinite solutions?

Same line

200

Find the solution to the system using substitution

y = x - 2
3x - y = 16

(7, 5)

300

Find the solution to the system using elimination

4x - y = 3
-4x - 3y = 1

(5/4,-2)

400

Solve the system using any method:

2x-y=-1

3x-2y=1

(-3, -5)

500

Solve the system using any method:

x+3y=9

x+y=1

(-3 ,4)

Multiplying Polynomials

100

What property is this person using:

2(a+1)-3 =1

2a+2 -3 =1

Distributive property

200

Multiply:

4a(2a-4)

8a²-16a

300

Simplify:

-3(b+1)+4b(-2b-2)

-8b²-11b-3

400

Multiply:

(4x+1)(x-2)

4x²-7x-2

500

Multiply:

(2x-3y)(3-x+6y)

6x-2x²-9y+15xy-18y²