How to explain standard form and slope-intercept form

1 answer:

7 0

Slope-intercept form is the typical y=mx+b
General, or standard form is x²+ax+c=0
Like, the form before you convert it to (x+a)(x+b), you know?

Hope that helped!

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Solve for x. x−1/4=3/8

valentinak56 [21]

x=5/8 is the correct answer. First you had to simplify from both sides of equation, and it gave us, $x+\frac{-1}{4}=\frac{3}{8}$ . Then you add 1/4 from both sides of equation, and it gave us, $x+\frac{-1}{4}+ \frac{1}{4}= \frac{3}{8}+ \frac{1}{4}$ . And it gave us the answer is x=5/8 is the final answer. Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie

3 0

3 years ago

How do you work out -4(-5-b)=1/3(b+16)

Umnica [9.8K]

First multiply the parenthesis:

20 - b = 1/3b + 16/3

Then combine like terms:

20 -b + b = 1/3b + b + 16/3

20 - 16/3 = 1/3b + b + 16/3 -16/3

20 - 16/3 = 1/3b + b

44/3 = 4/3b

and if your looking for b;

44/3 (divided by) 4/3 = b

11 = b...is your final answer!

hope it helped :)

5 0

3 years ago

Find the domain and range for the absolute value function f(x)=| x+2 |-3

vovangra [49]

F(x) = |x + 2| - 3
 0 = |x + 2| - 3
 0 = x + 2 - 3
 0 = x - 1
+ 1 + 1
 1 = x

Domain: x > 1 and x < 1
Solution Set of the Domain: {x| 1 > x > 1} and {x|x 1 < x < 1} or (1, 1)

f(x) = |x + 2| - 3
f(x) = |0 + 2| - 3
f(x) = |2| - 3
f(x) = 2 - 3
f(x) = -1

Range: x ≤ 3
Solution Set of the Range: {x|x ≤ 3} or (-∞, 3]

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4 years ago

What is the smallest number by which 9408 must be divided so that the quotient is perfect cube?

Mandarinka [93]

Answer:

Out of the prime factors of 9408, only 3 is without pair. So, 3 is the number by which 9408 must be divided to make the quotient a perfect square.

7 0

3 years ago

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Is -root 16 a rational number

aleksklad [387]

Answer: