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2 years ago

How do I find a slope of a line?

2 answers:

7 0

Answer:The slope of a line characterizes the direction of a line. To find the slope, you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points .

Step-by-step explanation:

kykrilka [37]2 years ago

3 0

You can use the formula y=mx+b!

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Clara estimates that the length of a hiking trail is 10 km. She later learns that its actual length is 12 km. What is the percen

Mariana [72]

The answer is C 0.2 hope it helps!

3 0

3 years ago

What is the measure of angle A in the triangle?

levacccp [35]

The measure of angle A is 50 degrees.
2x-10+x+30+70=180
3x+90=180
-90 -90
3x=90
x=30

2(30)-10
60-10
50

5 0

3 years ago

Distribute -3/7 (21x - 7)

Shkiper50 [21]

Answer:

-9x+3

Step-by-step explanation:

See the steps below:)

3 0

3 years ago

Which is the graph of f(x)=√x?

djverab [1.8K]

Answer:

Given function:

$f(x)=\sqrt{x}$

Replace f(x) for y:

$\implies y=\sqrt{x}$

Square both sides:

$\implies y^2=x$

This is a sideways parabola that opens to the right, with an axis of symmetry at y = 0. (Refer to attachment 1)

If we square root this again, we get:

$\implies \sqrt{y^2}=\sqrt{x}$

$\implies y=\pm\sqrt{x}$

So $y=\sqrt{x}$ is the part of the parabola in quadrant I → (x, y)

And $y=-\sqrt{x}$ is the part of the parabola in quadrant IV → (x, -y)

(Refer to attachment 2)

Therefore, the graph of the given function is attachment 3.

7 0

2 years ago

Read 2 more answers

PLZ HELP ASAP PLZ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Serhud [2]

Answer:

180 degree rotation about the origin.

Step-by-step explanation:

Note that each coordinate ( x and y) have their sign changed form positive to negative. This is a rotation about the origin of 180 degrees.

7 0

3 years ago