Solve for x
15x-1=14
x=1
x+y=5
y=5-x
What are the coordinates of the origin?
(0, 0)
Michael started a savings account with $300. After 5 weeks, he had $350 dollars, and after 10 weeks, he had $400.
What is the rate at which his savings account balance is changing?
$10 per week
The point where two lines in a system of equations cross is called the ______.
Solution
3x+2=10
x=8/3
-y=2-4x
y=-2+4x
What are the coordinates of the y-intercept of the line:
y=3x-15
(0, -15)
During a recent winter, the ratio of deer to foxes was 7 to 3 in one county of New York State. If there were 210 foxes in the county, what was the number of deer in the county?
490 deer
How many solutions does a system of equations have when the two lines never cross?
No solution
3(x+9)=33
x=2
-4x-y=1
y=-1+4x
How can you represent the coordinates of the y-intercept of any line?
(0, y)
Ms. C-W took out a college loan for $35,000 and makes a monthly payment of $700 in hopes to get it paid off.
What value could be used to represent the rate of change of money in Ms. C-W's bank account.
-$700 per month
How many solutions does a system of equations have when the two lines cross at exactly one point?
One solution.
-1/2(x+2)=15
x=-32
What is the equation of a line with a slope of -3 and a y-intercept at (0, 9)?
y=-3x+9
If a line goes through the points (0, 0) and (2, 3) what is the slope of the line?
m=3/2
Every month, Omar buys pizzas to serve at a party for his friends. In May, he bought three more than twice the number of pizzas he bought in April. If Omar bought 15 pizzas in May, how many pizzas did he buy in April?
6 pizzas
How many solutions does a system of equations have when the two lines have the same equation?
Infinitely many solutions
-1/2(10x+6)=2
x=-1
-2x+3y=-12
y=(⅔)x-4
What are the coordinates of the graph of the equation y=3x+k?
(0, k)
Jane spent $42 for shoes. This was $14 less than twice what she spent for a blouse. How much was the blouse?
$28
What is the solution to the following system of equations?
y=3x+2
y=3x
No solution.