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natita [175]
2 years ago
5

A line that passes through (-7, 3 ) and (-6 ,- -1) ?

Mathematics
1 answer:
Semenov [28]2 years ago
6 0

Answer:

Step-by-step explanation:

Hello : let A(-7,3) B(-6,-1)

the slope is : (YB - YA)/(XB -XA)

(-1-3)/(-6+7) = -4/1 =-4

an equation is : y=ax+b a is a slope

y = -4x +b

the line through point B (-6,-1) : -1 = (-4)(-6)+b

b = -25

the equation is : y =-4x-25

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Then find the values of x and y?
attashe74 [19]
Y+8=3y
-2y=-8
y=4

104*2=208
360-208=152
152/2=76

x=76°
6 0
2 years ago
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What are the solutions to the equation y2 – 1 = 15?
aivan3 [116]

Answer:

The solution of y² - 1 = 15  is +4 and -4

Step-by-step explanation:

Given

y² - 1 = 15

Our solution goes thus;

Make y² the subject of formula

y² = 15 + 1

Add 15 to 1

y² = 16

Take square roots of both sides

√y² = √16

y =  √16

Note that the square root of 16 is either +4 or -4 because +4 * +4 = 16 and -4 * -4 = 16; So, we replace √16 with ±4 which means + or -4

y = ±4

y = +4 and -4

Hence, the solution of y² - 1 = 15  is +4 and -4

8 0
3 years ago
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What percentage of people spend between 41 and 56 minutes watching TV shows on this streaming service?
vekshin1

Answer:

13.5%

Step-by-step explanation:

on edg

3 0
2 years ago
Gavin was thinking of a number. Gavin adds 1, then divides by 7 to get an answer of -11. What was the original number?
grin007 [14]

Answer:

The number Gavin was thinking of is -78.

Step-by-step explanation:

-78 +1= -77

-77/7 = -11

To solve I did:

-11 * 7

-77

-77-1= -78

7 0
2 years ago
Find the domain and the range of the function <br><br>domain:<br><br>range:<br>​
NeX [460]

Answer:

Approach 1: Mathematical Approach

Domain is the possible inputs or x values of a function

Here we can use any x values greater than or less than 7. We can also use 7 since their is a a function defined for x greater than or equal to 7.

So the domain is (-♾, ♾).

The range is possible y values. Since we can use negative x values, if we plug in x values for the function -5/7x+1, we are going to get positive numbers, as we plug in higher negative numbers, our range is bigger.

This means the range is bounded to -4 so our range is

(-4,♾)

Approach 2: Graphical Approach

Above is the graph

It can take any x values so the domain is (-♾, ♾).

The range is (-4,♾).

4 0
2 years ago
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