EXPRESSIONS, EQUATIONS, AND FUNCTIONS
REAL NUMBERS
LINEAR EQUATIONS/GRAPHING
WRITING, SOLVING AND GRAPHING LINEAR EQUATIONS
SYSTEMS OF EQUATIONS

4(6n+7) when n=6
What is 172.

### 100

11-square root of x where x=64
What is 3.

### 100

Identify the slope and y-intercept: 6x+3y=18
What is m=-2;b=6

### 100

Equation of the line that passes through the point (-2,9) and has slope -2.
What is y=2x+5

### 100

Solve the linear system: 5x+y=4, 6x-y=7
What is x=1, y=-1 or (1,-1)

### 200

3 times the difference of a number m and 15 is equal to 30 (as an expression)
What is 3(m-15)=30.

### 200

Simplify: -7x(x-13)
What is 7x^2+91x.

### 200

X-intercept and Y-intercept: -2x+5y=-20
What is x-intercept=10; y-intercept=-4

### 200

Equation in standard form of the line that passes through the two given points: (3,9) (1,1).
What is -4x+y=-3.

### 200

Graph: x>4, y<2
What is look at graph.

### 300

x=8 a solution for 2x+10<4x-7
What is no 26<25 does not work!

-16-(-25.2).
What is 9.2.

### 300

Solve for x: 16x-4=4(2x-3)
What is x=-1.

### 300

Equation of the line that passes through the given point and is perpendicular to the given line: (3,-3), y=x+5
What is y=-x.

### 300

Is the ordered pair a linear system? (8,5), 5x-4y=20, 3y=2x+1
What is No.

### 400

You buy apples at $2 per pound and oranges at$3.50 per pound. What is an expression for the total cost of fruit purchased? Also, what is the total cost of 7 apples and 4 oranges?
What is 2x+3.50y=c ; 28

### 400

An elevator moves at a rate of -5.8 feet per second from a height of 500 feet above ground. It takes 6 seconds for the elevator to make its first stop. How many feet about the ground is the elevator now?
What is 465.2 feet.

### 400

Solve proportion: b/8=9/4
What is b=18.

### 400

Solve: abs(x-2)+6>9
What is x>5 or x<-1.

### 400

Graph: x<3, y>1, y>-x (greater than or equal to)
What is look at graph.

### 500

A rectangular banner is 16 feet long and has an area of 80 square feet. What is the perimeter of the banner?
What is 42 feet.

### 500

True or False: If a number is positive, then its opposite is negative.
What is True.

### 500

Graph: y=-x+7
What is look at graph.

### 500

Graph: y>4x-3
What is look at graph.

### 500

Solve the linear system: 2x+9y=16, 5x=1-3y
What is x=-1;y=2 or (-1,2)