Unit 5 Part 2 Review

It takes Adam 12 minutes to sweep a porch. Anjali can sweep the same porch in 15 minutes. Which equation can be use to find out how long it would take them if they worked together.

Juan tried to solve the rational equation: . His work is shown.

Select all steps where the equation in the given step is equivalent to the equation in the previous step.

• Step 1

• Step 2

• Step 3

• Step 4

• Step 5

Mathematical Equivalence

ON

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

Select whether each equation has no real solution, one real solution, or infinitely many real solutions.

Groups:

(a) No Real Solution

,

(b) One Real Solution

,

(c) Infinitely Many Real Solutions

Mathematical Equivalence

ON

• undefined

Chrissy, a college student, has an hour and a half before her next class.  She decides to go see a balloon rally.  She hikes for 2 kilometers at an average pace of p kilometers per hour.  She then spends a half hour watching the balloon rally.  On her way back to the college campus, she hikes at an average pace of 1 kilometer per hour faster so that she can make to it to her class on time.  She makes it back with 6 minutes to spare.  Which of the following equations gives the value of p?