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iren2701 [21]
3 years ago
5

Best way to find slope​

Mathematics
1 answer:
Masteriza [31]3 years ago
7 0

Answer: Rise over run

Step-by-step explanation: The best way to find slope is the Rise over Run method where you have two points and you figure out the rise and the run, then put the rise on top of a fraction and the run on the bottom!

If you need further help or instruction let me know!

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2x²-5x-12=0 (simplify solution set)
Arada [10]

Answer:

x = 4 or x = -3/2

Step-by-step explanation:

To simplify and solve this, let's use the quadratic formula.

So the format of a quadratic equation is supposed look like this:

ax^2+bx+c=0

Let's find a, b, c:

  • a is the coefficient of x^2
  • b is the coefficient of x
  • c is the constant term

Now let's solve the equation.

Let's solve your equation step-by-step.

2x^2−5x−12=0

For this equation: a=2, b=-5, c=-12

2x^2+−5x+−12=0

Step 1: Use quadratic formula with a=2, b=-5, c=-12.

x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}

x=\frac{-(-5)\pm\sqrt{(-5)^2-4(2)(-12)} }{2(2)}

x=\frac{5\pm\sqrt{121} }{4}

x=4 or x=\frac{-3}{2}

<u />

<u>Answer:</u>

x = 4 or x = -3/2

7 0
2 years ago
If 3t -7 = 5t, then 6t =
USPshnik [31]

Answer:

21

Step-by-step explanation:

3t-7=5t

subtract 3t from both sides

-7 = 2t

multiply both sides by 3

-21 = 6t

so 6t = -21

5 0
2 years ago
Read 2 more answers
For the function f(x)=ax^3+bx^2-5x+9, determine the values of a and b so that f(-1)=12 and f'(-1)=3
Alecsey [184]

If

<em>f(x)</em> = <em>ax</em> ³ + <em>bx</em> ² - 5<em>x</em> + 9

then

<em>f '(x)</em> = 3<em>ax </em>² + 2<em>bx</em> - 5

Given that <em>f</em> (-1) = 12 and <em>f</em> '(-1) = 3, we get the system of equations

-<em>a</em> + <em>b</em> + 5 + 9 = 12

3<em>a</em> - 2<em>b</em> - 5 = 3

or

-<em>a</em> + <em>b</em> = -2

3<em>a</em> - 2<em>b</em> = 8

Multiply through the first equation by 2 and add it to the second one to eliminate <em>b</em> and solve for <em>a</em> :

2(-<em>a</em> + <em>b</em>) + (3<em>a</em> - 2<em>b</em>) = 2(-2) + 8

-2<em>a</em> + 2<em>b</em> + 3<em>a</em> - 2<em>b</em> = -4 + 8

<em>a</em> = 4

Substitute this into the first equation above to solve for <em>b</em> :

-4 + <em>b</em> = -2

<em>b</em> = 2

4 0
3 years ago
BIG 100 POINTS, need this for a test asap... PLEASE HELP
pentagon [3]

Answer:

7. im only in middle school but i think you have to take 496 and list its factors, then once you find the right pair, check to see if the difference is 238.

IM TRYING PLEASE DONT YELL AT ME HDBHNSJDGD

6 0
3 years ago
What is the measure of angle 1
creativ13 [48]

Answer:

86

Step-by-step explanation:

if u add the angle #'s on the INSIDE, itll give 94, since a triangle isnt obtuse, it would have to add up to 180, subtract 94 from 180 and u get the answer :)

hope this helps

8 0
3 years ago
Read 2 more answers
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