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MArishka [77]
3 years ago
9

Find conditions on the slope of a line through (9, 4) such that the x-intercept is negative and the slope is greater than its y-

intercept. 2/5 < m < 4/9 m < 2/5 or m > 4/9 9/5 < m < 9/4 m < 9/5 or m > 9/4 Not enough information
Mathematics
1 answer:
Vilka [71]3 years ago
8 0

Answer:

9/5 < m < 9/4

Step-by-step explanation:

The conditions are:

  • The line passes through (9,4)
  • x-intercept is negative
  • The slope (m) is greater than its y-intercept

If we take a point like (-1,0)

Slope (m) = change in y ÷ change in x = \frac{0 - 9}{-1 - 4}  = \frac{-9}{-5} = 9/5

This point satisfies the conditions above since;

  1. The line passes through points (9,0) and (-1,0)
  2. The x-intercept is negative i.e -1
  3. The y-intercept is 0 and the slope which equals 9/5 is greater than 0

From the choices given;

we can say that:

m > 9/5 and m < 9/4

And can be expressed as;

9/5 < m < 9/4

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