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3 years ago

Write an equation of a horizontal line tuat passes through the point (3,-3)

Mathematics

2 answers:

aniked [119]3 years ago

6 0

Answer:

y = -3

Step-by-step explanation:

A horizontal line has all the same y values, but changing x values

y must equal -3 all the time if it goes through (3,-3)

y = -3

Wewaii [24]3 years ago

4 0

Slope intercept form: y = mx + b

Since the line is horizontal, the slope is going to be 0. A horizontal line also has the same y value all along the line. Therefore, the y-intercept is -3.

Eauation: y = -3

Best of Luck!

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F two angles have the same vertex, then they are adjacent.

arlik [135]

Are you asking if it's true or false?
Because it's false, they are not necessarily adjacent.

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3 years ago

1. Write an equation for a line that has a slope of 4 and passes

marishachu [46]

Answer:

y = 4x+23

Step-by-step explanation:

The slope intercept form of a line is

y = mx+b where m is the slope and b is the y intercept

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Substitute the point into the equation

7 = 4(-4)+b

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Add 16 to each side

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3 years ago

William got scores of q sub 1, , and q sub 3 on three quizzes.

USPshnik [31]

Answer:

a. The average is =(++) .

b. He can use the formula =−− q sub 3 , equals 3 x minus , q sub 1 , minus , q sub 2. He will need a score of =()−−= q sub 3 , equals 3 open 90 close minus 85 minus 88 equals 97 on his third quiz.

Step-by-step explanation:

3 0

3 years ago

Solve the equation using the quadratic formula : x^2-10x+25=18

Sever21 [200]

$x^2-10x+25=18 \\ \\x^2-10x+25-18 = 0\\ \\ x^2-10x+ 7 =0 \\ \\a=1 , b = -10 , c= 7 \\ \\ \Delta = b^{2}-4ac = (-10)^{2}-4*1*7=100-28 = 72 \\ \\\sqrt{\Delta }=\sqrt{72}= \sqrt{2*36} =\sqrt{36}*\sqrt{2} =6\sqrt{2}$

$x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{10- 6\sqrt{2}}{2}=\frac{2(5-3\sqrt{2})}{2}= 5-3\sqrt{2}\\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{10+ 6\sqrt{2}}{2}=\frac{2(5+3\sqrt{2})}{2}= 5+3\sqrt{2}$

$Answer : \ x= 5-3\sqrt{2} \ \ or \ \ x = 5+3\sqrt{2}$

8 0

3 years ago

if the measure of <BEC is (2x+3)° and x=30, which expression could represent the measure of <AED?

Maurinko [17]

Answer:

The answer is 3x-27

Step-by-step explanation:

If the angles are vertical from each other it means they are congruent. 2x+30 is 63, you plug in the x, 2(30)+30. You do that to the second one and also get 63, 3(30)-27. Therefore 3x-21 is the answer.

8 0

3 years ago