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3 years ago

7

Which grach has a rate of change of zero?

1 answer:

dem82 [27]3 years ago

4 0

Answer:

On a coordinate plane, a vertical line is at x = 3. On a coordinate plane, a horizontal line is at y = 3. On a coordinate plane, a line with positive slope goes through (0, 0) and (1, 3). On a coordinate plane, a line with negative slope goes through (negative 1, 3) and (0, 0).

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-x+y-z=17, 4x+3y+z=-10, 2x+y+3z=0

mario62 [17]

Answer:

x = -11, y = 10, z = 4

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

5 0

3 years ago

If two points on line l above have coordinates (0, A) and (2, −3), and the slope of the line is A, then what is the value of A?

Anna35 [415]

<u>ANSWER: </u>

If two points on line l above have coordinates (0, A) and (2, −3), then the value of A is -1

<u>SOLUTION:</u>

Given, two points on line l have coordinates (0, A) and (2, −3),

And the slope of the line is A,

We need to find a value.

We know that, slope of a line on which (x1, y1) and (x2, y2) are two points is given by

$\mathrm{m}=\frac{y_{2}-y_{1}}{\mathrm{x}_{2}-\mathrm{x}_{1}}$

Here,in our problem,

$\mathrm{m}=\mathrm{A}, \mathrm{x}_{2}=2, \mathrm{x}_{1}=0, \mathrm{y}_{2}=-3 \text { and } \mathrm{y}_{1}=\mathrm{A}$

now, substitute the values in formula we get

$\begin{array}{l}{A=\frac{-3-A}{2-0}} \\\\ {A=\frac{-3-A}{2}}\end{array}$

2A = -3 –A

2A+ A = -3

3A = -3

A = -1

Hence, the value of A is -1.

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3 years ago

Lines m and n are parallel. Which list of angles are all congruent to angle 2?

kramer

C. 4,5, 6

hopes this helps

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