March 29, 2015

Homework Help: Algebra 1

Posted by Maria on Wednesday, March 14, 2012 at 2:11pm.

My little sister needs help on her homework and I don't remember really how to do this. I can't tell her if the answers or if she is doing them is the correct way. So if you could please tell me the answer and how you got it that would be great!

1.A ticket service is selling tickets to a concert. An order of 4 tickets has a price of $63 and an order of 6 tickets has a price of $91. Write an equation to find the price of any amount of tickets.

A.y = 9x
B.y = 32x
C.y = 14x + 7

2.A rental car company charges $75 for a 3-day rental and $155 for a 7-day rental. Write an equation to find the amount that the rental car company will charge for any number of days.

A.y = 20x + 15
B.y = 15x - 20
C.y = 25x

3.Write the point-slope form of an equation of the line that passes through (-2, 3) and has a slope of m = -3.

A.(y - 2) = -3(x + 3)
B.(y - 3) = -3(x + 2)
C.(y + 3) = -2(x + 2)

4.Write the slope-intercept form of an equation of the line that passes through
(3, 5) and has a slope of 6

A. y = 2x - 6
B.y = 6x - 13
C.(y - 5) = 6(x - 3)

5. State the domain of the function y=3/x

A. D: x ≠ 0
B.D: x <0
C.D: all real numbers

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