equations/inequalities
3x - 15 = -21
-2
What is the slope of 2x + 3y = 6
-2/3
Name the following polynomial by degree
x3+5x-3
Cubic
If a system of equations has no solution what does the graph look line?
Parallel Lines
solve x+5/12 = x-2/8
16
-4( 2 - x) = 24
x = 8
Write an equation of a line with a slope of 3/4 and contains the point ( 0,5)
y = 3/4 x + 5
x2-2
Binomial
How many solutions do the following equations have
y=2/5x - 3
2x-5y=15
Infinite Many Solutions
Paco went to the movies. He spent a total of $50. He spent $10 on food and saw 8 movies. How much did each movie cost?
5
4x + 3( x-2) = 5x - 20
x = 7
What is slope of this equations to 2x -5y = 6
2/5
(-3x3+2x2-16)-(-4x3-5x2+20)
x3+7x2-36
Solve
y=6x-11
-2x-3y=-7
(2,1)
You purchase a stereo system for $830. The value of the stereo system decreases $100 each year. Write and equation that could be used to represent this situation.
y=-100x+830
2x + 3 < -5x -4
x < -1
Which is an equation of the line containing the points (-1,5) and (3,9)?
y = x + 6
What is (2x2+3x-5)+(-5x2-6+3)
-3x2-3x-2
Find the value of two numbers if their sum is 12 and their difference is 4.
4 and 8
At a baseball game, Jose bought five hot dogs and three sodas for $17. At the same time, Allison bought two hot dogs and four sodas for $11. Find the cost of one hot dog and one soda.
hot dogs $2.50 soda $1.50
Find 3 consecutive integers whose sum is 48.
15,16,17
A business purchases a computer for $2000. The value of the computer depreciates $400 per year. Which linear equation gives the value y of the computer after x years?
y = - 400 x+2000
What is area of a rectangle with a length of 2x+5 a width of 4x - 1.
8x2+18x-5
The school that Stefan goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 3 senior citizen tickets and 1 child ticket for a total of $38. The school took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. Find the price of a senior citizen ticket and the price of a child ticket.
senior citizen ticket: $8, child ticket: $14
What is the slope of the line y=-2
Zero