Mathematics
16.02.2021 09:41
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What is the equation in point-slope form of the line passing through (−2, 1) and

What is the equation in point-slope form of the line passing through (−2, 1) and (4, 13)?
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Queenashley3232
Queenashley3232
4,4(23 marks)
Slope = (13-1)/(4+2) = 12/6 = 2

equation in point-slope form
y - 1 = 2(x + 2)

hope it helps
mccartney33
mccartney33
4,4(4 marks)

x = 6

Step-by-step explanation:

What I would do in this case is cross multiply, although there are other strategies. I will explain cross multiplication here. In cross multiplication you multiply the denominater and numerator of different fractions on each side of the equal sign. So for this problem you would multiply 4 and X, denominator of the first number and numerator of the second. Then you would multiply the numerator from the first fraction, 3, and denominator from the second, 8.

4 \times x = 4x \\ 3 \times 8 = 24 \\  \\ so \: 4x = 24

Now we can solve for x.

4x = 24 \\  \div 4 \\ x = 6

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