EXPRESSIONS, EQUATIONS, AND FUNCTIONS
REAL NUMBERS
LINEAR EQUATIONS/GRAPHING
WRITING, SOLVING AND GRAPHING LINEAR EQUATIONS
Random
100
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
Algebra: Is this a function: {(1, 2), (2, 3), (2, 4)}
Algebra: No
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
Algebra: Solve for a: ax + b = c
Algebra: a = (c - b)/x
300
x=8 a solution for 2x+10<4x-7
What is no 26<25 does not work!
300
-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
Write the equation in point slope form for a line that goes through (3,2) and has a slope of -2
y-2=-2(x-3)
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
Simplify: 1/4(-4 + 16x) - 2/5(20x - 15)
5 - 4x
400
What property is shown: 2 (a + b)= 2a + 2b
Distributive Property
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
What's the domain:
Algebra: all real numbers