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3 years ago

Write an equation with the two points: (5,-2) and (3,4)

Mathematics

1 answer:

eimsori [14]3 years ago

3 0

Answer:

$y=-3x-17$

Step-by-step explanation:

To find out the m(slope) of the equation use the formula:

$\frac{y_2-y_1}{x_2-x_1}$ .

Substitute the values:

$\frac{4--2}{3-5}$

Combine the values:

$\frac{6}{-2}$

Find the value of the fraction:

$-3$

M is -3.

The equation so far is $y=-3x+b$

To find the y intercept, substitute one pair of coordinates into the equation and solve for b:

$y=-3x+b\\-2=3*5+b\\-2=15+b\\-17=b$ .

We see that b =-17 so the full equation would be:

$y=-3x-17$ .

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3 years ago

Solve x - (- 5) = 32. Show your work and keep your equation balanced.

ki77a [65]

Answer:

x=27

Step-by-step explanation:

To balance an equation means to do whatever we do on one side of the equation to the other side. But first, we have to simplify both sides as much as possible.

$x-(-5)=32 \\$

As we know, $-.- = +$

So we get:

$x+5=32 \\$

Now we cancel the 5, substracting 5 to that side of the equation and to the other one:

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We know that:

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3 years ago

Describe a system of linear equations that has no solution?

laila [671]

Answer:

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Step-by-step explanation:

Hope this helps - Good luck ^w

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3 years ago

Read 2 more answers

How many roots does y= X^2-3x+2 have?

Marianna [84]

2 roots, x = 1 and x=2

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