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REY [17]
3 years ago
7

Rewrite f(x) = –(x + 3)2 − 1 from vertex form to standard form.

Mathematics
2 answers:
Verizon [17]3 years ago
3 0
f(x)=-(x+3)^{2}-1=-x^{2}-6x-9-1=-x^{2}-6x-10
Gelneren [198K]3 years ago
3 0

The Answer is -x - 6x - 10. Thanks!


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Question 13
natali 33 [55]

Answer:

y - 7 = (x + 5)

Step-by-step explanation:

Point-slope form: y - y1 = m(x - x1)

Slope(m) = 1

Point: (-5, 7) = (x1, y1)

To write the equation in point-slope form, we need to know the slope and one point. Since we were already given the values of the slope and one point, all we have to do is input those values into the equation:

y - y1 = m(x - x1)

y - 7 = 1(x - (-5))

y - 7 = (x + 5)

The equation in point-slope form is: y - 7 = (x + 5)

7 0
3 years ago
(my sister needs help with this) Mark and Chris had an equal number of chocolate bars. Mark ate 1/5 of his chocolate bars. Chris
V125BC [204]

Answer:

Mark!

Step-by-step explanation:

say you have 20 cookies, Mark ate on fifth so that would be 4, bringing him with 16 left

Chris ate 1/4 which would be 5, he would have 15 left

6 0
2 years ago
Use the spinner to find the theoretical probability of the event.
Mars2501 [29]
There is a 100% chance that you will spin a number less than 7. Hope this helps!
7 0
3 years ago
Michael has to paint a house whose size is 2,800 square feet. He used 5 gallons of paint to cover 1,750 square feet.
vitfil [10]
<em>Hi Alex !</em>
<em>    5            1.750</em>
<em>    x            2.800</em>
<em>1750x = 5*2800</em>
<em>x = 14.000/1750 </em>
<em>x = 8 </em>
<em>As he had already used 5 gallons , then , will be left only 8 - 5 = 3</em>
<em>R : 3 gallons</em>
<em>   </em>
3 0
3 years ago
What quadratic has roots of x=8 and x= -5
Alexxx [7]

Answer:

The quadratic is f(x) = x² - 3x - 40

Step-by-step explanation:

If the roots are x=8 and x= -5, the factors are (x - 8) and (x + 5).

The quadratic is then:

f(x) = x² + 5x - 8x - 40, or x² - 3x - 40

The quadratic is f(x) = x² - 3x - 40

6 0
3 years ago
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