MATHEMATICS HIGH SCHOOL

Solve by factoring completely, Please show steps
Thanks!

X^2=4x+12

Answers

Answer 1
Answer: steps are shown in the picture above
Answer 2
Answer: minus 4x+12 both sides
x^2-4x-12=0
what multipies to -12 and add to -4
-6 and 2
(x-6)(x+2)=0
set to zero
x-6=0
x=6

x+2=0
x=-2

x=-2 and 6

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Write the following in point-slope form, slope-intercept form, and standard form. (-2,9) m= -1

Answers

Answer:

x + y = 6

Step-by-step explanation:

9 = -2(-1) + b

9 = 3 + b

b = 6

y = -1x + 6

x+y =6

(2x^+3x-4)+(x²-x-2) help me please!

Answers

you would want to make it into an addition problem that looks like this:
   2x²+3x-4
+ x² - x - 2
___________
  3x² + 2 - 6
  2x²+3x-4
- x²   -x  -2
--------------
  x²+2x-6

Divide £50.00 in a ratio of 1:4 SOMEBODY HELP ME NOW!

Answers

12.5 would be the answer

What is the answer to 8x+2(y+13)=10

Answers

If you were trying to convert it to the standard form equation of a line

Ax + By - C = 0
Ax + By = C.

Simply distribute the 2 inside.

8x + 2(y+13) = 10
8x + 2y + 26 = 10
8x + 2y + 26 - 26 = 10 - 26

8x + 2y = -16 or
8x + 2y + 16 = 0.

Lauren Petus paid $27 for a dress that was 10% off the list price. What was the list price of the dress?

Answers

$30

27/0.90=30
I think this is right sorry if it’s not

1 minus 9 over 13 is?

Answers

1- 9/13
Steps:
1. Change 1 into 13/13 since 13/13=1 and this will give you a common denominator
2. New problem is 13/13 - 9/13
3. Do 13-9= 4
4. Your answer is 4/13 or .307
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Please please I need help