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April 26, 2015

Homework Help: Algebra 1 (Reiny or Kuai)

Posted by Please, help me! on Monday, December 9, 2013 at 1:24pm.

1. Which x-values should I choose to graph these equations (y = x; y = -x + 6) so that they intersect?

2. The school band sells carnations on Valentine's Day for $2 each. They buy the carnations from a florist for $0.50 each, plus a $16 delivery charge.

a. Write a system of equations to describe the situation.

b. Graph the system. What does the solution represent?

c. Explain whether the solution shown on the graph makes sense in this situation. If not, give a reasonable solution.

3. -x/5 = 12
A: x = -60?

4. 2/5 = y/12
A: 30 = y?

5. 6(x + 2) = -2(x + 10)
A: x = -8?

6. 4 (2x + 1) > 28
A: x > 3?

7. 1/8x + 3/5 <= 3/8
A: ?

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