What is the equation for the line in slope-intercept form?

Mathematics

1 answer:

klio [65]2 years ago

7 0

Answer:y=4x+4

Step-by-step explanation:

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Find the distance between (2a+2, 2b) and (2b+2, 2a), given that a>b.

Elina [12.6K]

Answer:

Distance = $2\sqrt{2}a-2\sqrt{2}b$

Step-by-step explanation:

We will use distance formula shown below to solve this:

Distance Formula: $\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}$

Where

x_1 = 2a + 2

y_1 = 2b

x_2 = 2b+2

y_2 = 2a

Substituting, we solve for the expression for distance:

$D=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}\\D=\sqrt{(2a-2b)^2+((2b+2)-(2a+2))^2}\\D=\sqrt{(2a-2b)^2+(2b+2-2a-2)^2}\\D=\sqrt{(2a-2b)^2+(2b-2a)^2}\\D=\sqrt{4a^2 -8ab+4b^2+4b^2-8ab+4a^2}\\D=\sqrt{8a^2-16ab+8b^2}\\D=\sqrt{(2\sqrt{2}a-2\sqrt{2}b)^2}\\D=2\sqrt{2}a-2\sqrt{2}b$

This is the expression in terms of a, and b, given a > b

7 0

3 years ago

What is the domain of the function graphed below?

valkas [14]

The function is defined over these ranges of x:
(-∞, -1) and [-1, 7), that is for x < 7.

Note that
The function is undefined at x = --1 over the left portion of the straight line, but the function s defined at x = -1 for the right portion f the straight line.
The function is undefined at x = 7 and for larger values of x.

Answer: x < 7

5 0

3 years ago

Read 2 more answers

Please help me (look at picture)

Alex777 [14]

Answer:

−9x^4+6x^3+6x^2−16x+8

Step-by-step explanation:

Picture below...

Hope this helped!

Brainliest please!