EXPRESSIONS, EQUATIONS, AND FUNCTIONS
4(6n+7) when n=6
What is 172.
(10 +59 - 32) / (24 - 4)
What is 10.
Identify the slope and y-intercept: 6x+3y=18
What is m=-2;b=6
Find the slope of (2,9) and (10,18)
What is 9/8
Is (1,2) a solution to 5x+y=4
Yes or No
No
3 times the difference of a number m and 15 is equal to 30 (as an expression)
What is 3(m-15)=30.
Simplify: -7x(x-13)
What is 7x2+91x.
X-intercept and Y-intercept: -2x+5y=-20
What is x-intercept=10; y-intercept=-4
Find the slope (3,9) (1,1).
What is 4
4x + 3 = 8x - 10
x = 3
Is x=8 a solution for 2x+10<4x-7
What is no 26<25 does not work!
Solve for x: 16x-4=4(2x-3)
What is x=-1.
Find the degree and type of equation.
4x3+3x2 - 9x + 5
Degree: 3
Polynomial
Is the ordered pair a linear system? (8,5), 5x-4y=20, 3y=2x+1
What is No.
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
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.
Solve proportion: b/8=9/4
What is b=18.
Find the zeros of the equation.
(x+7) (x - 8)
What is -7 and 8
When an image is flipped, it is called a ________
Reflection
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.
True or False: If a number is positive, then its opposite is negative.
What is True.
What is the y -intercept?
How will the slope move on the graph?
y=-4x+7
y intercept = 7
Move 4 down and 1 to the right
Factor the polynomial
x2 + 6x + 5
(x+1)(x+5)
(x + 10)(x-15)
x2-5x -150