3x+4x
7x
What is the slope of the line y=3x+1
3
Sarah has 5 more apples than Tom. If Tom has x apples, how many does Sarah have?
x+5?
Simplify: x3*x2
x5
x2=49
x=+/- 7
2(3x-4)+5
6x-3
Find the slope between (1,2) and (3,6)
2
A movie ticket costs 12$. Write an expression for the cost of x tickets.
12x?
(2x2)3
8x6
x2+5x+6
(x+2)(x+3)
Solve for x
5x-7=18
x=5
Write the equation of a line through (0,5) with a slope of -2
y=x-2+5
A rectangle's length is 3 times its width. If the width is x, write an expression for the perimeter.
2x + 2(3x) = 8x?
(x+2)(x-5)
x2-3x-10
x2+4x-5=0
x=1, x=-5
2(x-3)+4=3x+1
x=2
-1/2x+4. What is the y-intercept?
4
A car rental company charges 50$ plus 0.20$ per mile Write a function to represent the total cost c(m)
c(m)=50+0.2m?
(4x3-8x+12)/4x
x2-2x+3
y=x2-6x+8
(3,-1)
x2-7x+10
(x-2)(x-5)
A line passes through (2,5) and (6,-3). What is its equation?
y=-2x+9
Jenny bought 3 notebooks and 2 pens for 8.50$. Notebooks cost 2$ each. Write and solve an equation to find the cost of one pen.
3(2)+2p=8.50->o=1.25?
x3-27
(x-3)(x2+3x+9)
2x2-3x-2=0
x=2,x=-1/2