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Paladinen [302]
3 years ago
14

Find an equation for the line with the given properties,express the equation in slope-intercept form. p=(-3,5) and q=(-2,3)

Mathematics
1 answer:
kakasveta [241]3 years ago
8 0
(-3,5)(-2,3)
slope = (3 - 5) / (-2 - (-3) = -2 / 1 = -2

y = mx + b
slope(m) = -2
use either of ur points...(-2,3)....x = -2 and y = 3
now we sub and find b, the y int
3 = -2(-2) + b
3 = 4 + b
3 - 4 = b
-1 = b

so ur equation is : y = -2x - 1 <==
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The number of solutions in each equation are as follows:

  1. 1 solution: 4^x = 2^{-x}
  2. 2 solution: 3/2x + 2 = 2^{x} + 1     and     3x + 1 = 2^{-x}.
  3. No solution: 4^x + 2 = 3^x - 1       and     2x - 5 = 3^{x} + 2.

<h3>How to determine the number of solutions?</h3>

In order to determine the number of solutions, we would split the single equation to two different equations and then plot a graph, so as to reveal their solutions.

This ultimately implies that, the number of solutions is equal to the point of intersection between the lines of the equations plotted on a graph.

In conclusion, the number of solutions in each equation are as follows:

  1. 1 solution: 4^x = 2^{-x}
  2. 2 solution: 3/2x + 2 = 2^{x} + 1     and     3x + 1 = 2^{-x}.
  3. No solution: 4^x + 2 = 3^x - 1       and     2x - 5 = 3^{x} + 2.

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