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2 years ago

Complete the equation of the line through (-8, 8,) and (1, -10)

Mathematics

1 answer:

Dahasolnce [82]2 years ago

6 0

Answer:

Equation of a line has form of y = ax + b

This line passes (-8, 8) and (1, 10), then:

-8 = -8 x a + b

10 = a + b

Subtract 2nd equation to 1st equation, then:

18 = 9 x a

=> a = 2

=> b = 10 - 2 = 8

=> y = 2x + 8

Hope this helps!

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Vilka [71]

Answer:

Number of years between 1950 and 2100 =

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150 = 50 + 50 + 50 years.

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3 years ago

Solve for b<br> 2(-2b+3)=9

Alexxx [7]

Answer:

b=-3/4 or b=-0.75

Step-by-step explanation:

$2(-2b+3)=9$

$2b+3=\cfrac{9}{2}$

$-2b=\cfrac{9}{3} -3$

$-2b=\cfrac{3}{2}$

$b=-\cfrac{\frac{3}{2} }{2}$

$b=-\cfrac{3}{2\times 2}$

$b=-\cfrac{3}{4}$

Hope it helps! :)

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2 years ago

If you put $500 into a bank account that pays 2.5% per year, how much money will you have at the end of a year?

Akimi4 [234]

Answer: 12,500 i think idk tho g

Step-by-step explanation: 500 x 2.5= 12.5

3 0

3 years ago

Read 2 more answers

Write the equation of a line in the given form.

Gnom [1K]

Answer:

$y = \frac{1}{4}x - 5$

Step-by-step explanation:

Slope intercept form: y = mx + b

Find slope:

m = (y₂ - y₁) / (x₂ - x₁)

= (-5 - (-4)) / (0 - 4)

= -1 / -4

= 1/4

Find y intercept using anyone of the given points and slope from above:

y = mx + b

$-5 = \frac{1}{4}(0) + b$

b = -5

Now use the above slope and y intercept to create equation of a line:

$y = \frac{1}{4}x - 5$

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