Solving Equations
Systems of Equations
Linear Equations
Simplifying
Using Formulas
100
y + 7 = 21
What is y=14
100
y = 2x + 2

y = -2

(-2, -2)
100
What is the slope of this line?

y = -x + 2

Slope = -1
100

Simplify:

a + b + 2a + 5 + a



4a + b + 5
100
What is the rate, in miles per hour, of a balloon that travels 60 miles in 4 hours?
What is 15 mph.
200

2x + 5 = 3x - (x - 5) 

There are infinite solutions.
200
2x + 3y = -9

x + 2 = -1

(-3, -1)
200
What is the initial value of this line?


x - y = 12

The initial value or y-intercept = -12
200

Simplify:

4x + 3y - 2(x - 2y) + 4 = ?

2x + 7y + 4
200
What year did Ms. Tran graduate from high school?
2006
300

4(8n − 1) = 19 + 32n

There is no solution to this equation.
300
5x + 2y = 4

2x - 3y = -13

(-2, 3)
300
What is the slope of this line?


-3x + 2y = 6

Slope = 3/2
300
Simplify:


3y - 4 (6 + 2x + y) + 2 = ?

-8x - y - 22
300
Find the distance traveled by driving at 55 miles per hour for 3 hours.
What is 165 miles.
400

(-7/2)x - (5/2) + 2x = (-17/5)

What is x = 3/5
400
y = 5/2x - 4

y = -x + 3

(2, 1)
400
What are the COORDINATES of the y-intercept of this line?


-x + 4y = -16

(0, -4)
400
Simplify


6(x - 2y) - 3 (-x - 4y) = ?

9x
400
The perimeter of a rectangle is 46 centimeters. Its width is 5 centimeters. Find the length.
What is 18 cm.
500
(2/3)x - (1/2) = (4/3) - x
What is x = 11/10
500
-x + 3y = 6

4x +3y = -9

(-3, 1)
500
What is the slope AND y-intercept of this line?


5x + 3y = 24

Slope = -5/3

y-intercept = 8

500
Simplify.


-4(6y - 2) + 10 + 2(-2x - x) = ?

-6x - 24y + 18
500
The circumference of a circle is 47.1 ft. What is the radius of the circle?  Use 3.14 for pi.
radius = 7.5 ft.
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