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monitta
3 years ago
14

Find the equation of a line that has a slope of –4,

Mathematics
1 answer:
Studentka2010 [4]3 years ago
3 0

Answer:

D

Step-by-step explanation:

Finding y int by substituting the points given (say y int is x)

(-9) = 4(-4) + x

(-9) = -16 + x

x = 7

With the y int, you can now write the equation

y = -4x + 7

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Which answer choice includes a list of like terms?
Dimas [21]

Answer:

C

Step-by-step explanation:

3 0
3 years ago
Eight years ago, Clyde was 7 years old. Which equation represents Clyde age now?
vichka [17]

Answer:

D.

Step-by-step explanation:

Clyde's present age is 7+8, because he has aged 8 years since he was 7.

So, the equation would be C=7+8.

However, that equation isn't listed so you need to move some numbers around.

If you subtract 8 from both sides of the equation C=7+8, you get C-8=7, which is D.

Hope this helps! :)

7 0
3 years ago
Write an equation for a line g(x) perpendicular to f(x) = 4x − 5 and passing through the point (4, 20). plz.....
cluponka [151]
The slopes of perpendicular lines are negative reciprocals.The slope of the given line is 4.The slope of the perpendicular is -1/4.
Now we need to find the equation of a line that has slope -1/4 and passes through the point (4, 20).
We use the point-slope form of the equation of a line, where m = slope, and the point is (x1, y1).
y - y1 = m(x - x1)
y - 20 = -1/4(x - 4)
-4y + 80 = x - 4
x + 4y = 84
4 0
3 years ago
3n+4 first the 7 terms
kiruha [24]

Answer:

4, 7, 10, 13, 16, 19, 22

Step-by-step explanation:

Not sure if there is more to this question but here is what I assume:

We want to find the first 7 terms of this equation given 3n+4

Assuming we are starting at 0 we plug 0 in for n.

3(0) + 4 → 4

So our first answer is 4

We continue by pugging in the next numbers after that to get to the first 7 terms

3(1) + 4 → 7

3(2) + 4 → 10

3(3) + 4 → 13

3(4) + 4 → 16

3(5) + 4 → 19

3(6) + 4 → 22

5 0
3 years ago
The dot plot below shows how many laps each student in Coach Toni's gym class ran one day.
Marysya12 [62]
\underbrace{5;5;5;5;10;10;15;15;20;35}_{10}\\\\5\cdot4+10\cdot2+15\cdot2+20+35=125\\\\\frac{125}{10}=12.5\leftarrow\boxed{B}
5 0
3 years ago
Read 2 more answers
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