3 years ago

Indicate the method

Mathematics

1 answer:

Nataly_w [17]3 years ago

8 0

Answer:

asa

Step-by-step explanation:

i think it was ASA

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3 years ago

Evaluate expression: evaluate each expression when a = "-2" b=4 and c=-10

densk [106]

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3 years ago

What is an equation of the line that passes through the point (8,-8)(8,−8) and is perpendicular to the line 4x-3y=184x−3y=18?

Kitty [74]

Answer:

The equation of the line is $y = -\frac{3x}{4} - 2$

Step-by-step explanation:

Equation of a line:

The equation of a line has the following format:

$y = mx + b$

In which m is the slope and b is the y-intercept.

Perpendicular lines:

When two lines are perpendicular, the multiplication of their slopes is -1.

Perpendicular to the line 4x-3y=18

First, we place this line into the format, to find the slope:

$4x - 3y = 18$

$3y = 4x - 18$

$y = \frac{4x}{3} - 6$

This line has slope 4/3. So, for the perpendicular line, the slope will be of m as such:

$\frac{4m}{3} = -1$

$4m = -3$

$m = -\frac{3}{4}$

So the desired line will have an equation in the following format:

$y = -\frac{3x}{4} + b$

Passes through the point (8,-8)

We use this to find b. This point means that when $x = 8, y = -8$ . So

$y = -\frac{3x}{4} + b$

$-8 = -\frac{3*8}{4} + b$

$-8 = -6 + b$

$b = -2$

$y = -\frac{3x}{4} - 2$

8 0

3 years ago

Please help me, this is confusing..

soldi70 [24.7K]

Copy this for part A & B, the x-axis is (1.5,0) the y-axis is (0,1)

7 0

3 years ago

Indicate the method ​

Indicate the method