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cupoosta [38]
3 years ago
7

Kylie knows that she will have to help pay for college. She has a part time job and is able to save $75 every 2 weeks. What is t

he slope of the line that represents this relationship if the number of weeks is along the x-axis and the amount saved is along the y-axis?
A) 75/2

B) undefined

C) 50/1

D) 2/75
Mathematics
2 answers:
Amanda [17]3 years ago
5 0
The answer would be D) 2/75

This is because since weeks is along the x-axis the 2 is the x in 2/75
aalyn [17]3 years ago
4 0
The answer would be D- because it would be 2 weeks with 75$ added
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2 years ago
Need help for question 8 and 9. I need the equation that’s passes through the points!
dsp73

Answer:

Step-by-step explanation:

Question 8

Let the equation of a line passing through two points (x_1,y_1) and (x_2,y_2) is given by,

y = mx + b

Here, m = slope and y-intercept = b

Since, m = \frac{y_2-y_1}{x_2-x_1}

For two points (1, 4) and (5, 8),

m = \frac{8-4}{5-1}

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Equation will be,

y = (1)x + b

y = x + b

Since, this line passes through (1, 4),

4 = 1 + b

b = 3

Therefore, equation of the line will be,

y = x + 3

Question 9

Let the equation is y = mx + b

m = \frac{y_2-y_1}{x_2-x_1}

For two points (2, 10) and (6, 4)

m = \frac{10-4}{2-6}

m = -\frac{3}{2}

By substituting the value of 'm' in the equation,

y = -\frac{3}{2}x+b

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10 = -\frac{3}{2}(2)+b

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y=-\frac{3}{2}x+12

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