Complete each question fully and show all work, where necessary.
Solve the equation.
Solve the equation.
Are the equations 7v = - 10 and - 1 = 7v + 9 equivalent? Explain your reasoning using sentences.
The letters a and b represent nonzero constants.
Solve the equation below for x.
Consider the equation below. Without calculating, is x = -16 a solution?
Which formula shows the length of a rectangle can be determined from the perimeter and the width?
(click the image to expand)
Describe the values of c for which the equation has no solution.
(What would c have to be in order to make the equation have no solution?)
Solve for y.
At a book fair, a tote bag costs $5 and books cost $2.50 each. You spend a total of $15. How many books did you buy in addition to the tote bag?
In the problem below, which line contains an error?