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ivann1987 [24]
3 years ago
11

How do change slope-intercept form to standard form

Mathematics
2 answers:
Gre4nikov [31]3 years ago
7 0
Suppose you are given the slope-intercept form   y = 5x - 1/16 and are to change it to standard form.  Here's what you'd do:

1) multiply all 3 terms by 16 to eliminate the fraction 1/16:

16y = 80x - 1

Subtr. 16y from both sides:   0 = 80x - 16y - 1

This equation is in std. form.
olganol [36]3 years ago
6 0
Example. Convert y=54x+5 y = 5 4 x + 5 , graphed on the right, to standard form. The only fraction is $$ \frac { 5}{ \red 4} $$ so you can multiply everything by 4. Solve for the y-intercept (or "b" in the slope interceptequation) which is 20 in this example.
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Over the interval [0,2pi), what are the solutions to cos(2x) = cos(x)? check all that apply​
kykrilka [37]

\cos(2x)  =  \cos(x)

Solution (1)

2x = x + 2k\pi

2x - x = 2k\pi

x = 2k\pi

for k=0 / for k=1 / for k=-1

x=0 / x=2π / x=-2π

acc / acc / rej

solution (2)

2x =  - x  + 2k\pi

2x + x = 2k\pi

3x = 2k\pi

x =  \frac{2k\pi}{3}

for k=0 / for k=1 / for k=-1

x=0 / x=2π/3 / x=-2π/3

acc / acc / rej

Note that i'm trying values of K which make the answer belong to our interval;

So our solution which i will represent as a set is;

S € {0,2π/3,2π}

6 0
2 years ago
As a promotion, the first 50 customers who entered a certain store at a mall were asked to choose from one of two discounts. The
julsineya [31]

Answer: rerere

Step-by-step explanation: rerer

3 0
3 years ago
What is the slope of the line? y-3=5
ivolga24 [154]
Undefined is the answer for me. Lol
5 0
3 years ago
Read 2 more answers
The bill at a restaurant came to $136.40. The patrons decided to leave a 15% tip. What was the total bill including tip?
lys-0071 [83]

Answer:

156.86

Step-by-step explanation:

136.40 + 15% is 20.46 added to 136.40 is 156.86


4 0
3 years ago
Read 2 more answers
2 + 3(x + 2x) = −2x(2 − 4) + 1<br><br> A) −5 <br> B) −<br> 1<br> 5<br> C) 5 <br> D) <br> 1<br> 5
11Alexandr11 [23.1K]

Answer:

B -1/5

you have to follow pemdas first get rid of the parethase which leaves you with 2+3x+6x=-4x+8x+1 then you add what you can do then you get 2+9x=4x+1 then you subtract 2 from both sides and subtract 4x from both sides which leaves you with 5x=-1 then you divide 5 from both sides and get x=-1/5

4 0
3 years ago
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