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SashulF [63]
2 years ago
10

Given y = 2x − 2, what effect does changing the equation to y = 2x + 2 have on the y-intercept?

Mathematics
1 answer:
Ganezh [65]2 years ago
8 0

Answer:

The graph moves up 4 units

Step-by-step explanation:

If you add 4 to -2, you'll get +2.

Hope this helped!

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Which choice is the slope-intercept equation of the line shown below?
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Answer:

C is my answer

Step-by-step explanation:

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2 years ago
PLEASE HELP ME !!
V125BC [204]

Answer:

\huge\boxed{\sf The\ co-efficient\ of\ x\ is\ -4.}

Step-by-step explanation:

Slope = m = -4

Y-intercept = c = -7 ( Because that is the point where x = 0 )

<u>Equation:</u>

\sf y = mx+c\\\\y = -4 x+(-7)\\\\y = -4x-7

So, The co-efficient of x is -4.

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
6 0
3 years ago
I really need help! This is last minute and its 1 am. I'm tired so I'm going to leave it to you guys to solve my problems and pr
Illusion [34]

Answer:

<h2><u>question 1</u></h2>

n^{2} - 20n -96 = 0

use product and sum method

product = -96

sum = -20

numbers needed = ( -24 , 4)

n - 24 = 0

n + 4 = 0

hence <u>n = 24 and n = -4 </u>

<u></u>

<h2><u>Question 2 </u></h2>

<u />x^{2} + 12 x = 48<u />

in the form ax^{2}  +bx +c = 0

= x^{2} +12x - 48

make use of the formula :

\frac{-b+-\sqrt{b^{2} -4ac} }{2a}

replace values to make 2 equations :

1.\frac{-12+\sqrt{12^{2} -4*1*-48} }{2*1} = 3.17

2.\frac{-12-\sqrt{12^{2} -4*1*-48} }{2*1} = -15.2

hence <u>x = 3.17 and x = -15.2</u>

<u />

<h2><u>Question 3 </u></h2>

<u />x^{2} -14x+40=0<u />

use product and sum method

product = 40

sum = -14

numbers needed = (-10 , -4)

x - 10 = 0

x - 4 = 0

hence<u> x = 10 and x = 4</u>

<u />

<h2><u>Question 4 </u></h2>

<u />5b^{2} -20b-18 = 7<u />

in the form ax^{2}  +bx +c = 0

this becomes 5b^{2} -20b-18-7

= 5b^{2} -20b-25

can simplify by 5

= b^{2} -4b-5 =0\\

use product and sum method

product = -5

sum = -4

numbers needed (-5 , 1)

b-5 = 0

b + 1 = 0

hence <u>b = 5 and b = -1</u>

5 0
3 years ago
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Forty-eight decreased by a number is the same as the difference of four times the number and seven. Find the number
vagabundo [1.1K]
Turn the text into an eqation:

48-x = 4x-7
5x = 55
x = 11
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