math assignmet

Quiz 2

1) If 57% more of a quantity is 169.1, what is the quantity?

2) Solve the inequalities for the following exercises. Express solution set using

interval notation, and graph the solution set on a number line

a. −4(5x + 12) + 2 < −52

b. 5x + 6 ≥ -7x + 16

3) Write the equations of the lines using the given information. Write the

equations in slope intercept form.

a) with slope m = -4 and passing through (-3,2)

b) passing through (-1,3) and (-3,4)

4) solve the following system by a) substitution, b) addition, and by c)

graphing. 3x − 2y = 18 5x + 10y = −10

5) A moving company charges a flat rate of $120, and an additional $7.5 for

each box.

a) If a taxi service would charge $15.5 for each box, how many boxes

would you need for it to be cheaper to use the moving company?

b) What would be the total cost?