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3 years ago

5

Re-write the quadratic function below in Standard Form y = 3(x + 3)2 – 3

1 answer:

vivado [14]3 years ago

8 0

Answer:

y=6x+15

Step-by-step explanation:

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The product of two numbers is 49 and the difference of those numbers is 13 what are the numbers

V125BC [204]

Xy=49
x-y=13

x=13+y

y(13+y)=49
y²+13y-49=0
solve using the quadratic formula

4 0

4 years ago

kramer

Answer: The answer I got was A) 16

Step-by-step explanation:

Hope this helps!!!!

8 0

3 years ago

Read 2 more answers

Calculate the discriminant <br> x2-2x+4=0<br> A.0<br><br> B.20<br><br> C.12<br><br> D.-12

Dafna11 [192]

$ax^2+bx+c=0\\the\ discriminant:\Delta=b^2-4ac\\-------------------\\Your\ example:\\x^2-2x+4=0\to a=1;\ b=-2;\ c=4\\\\thereore\ \Delta=(-2)^2-4\cdot1\cdot4=4-16=\fbox{-12}\\\\Answer:\boxed{D.\ -12}$

3 0

3 years ago

Read 2 more answers

Please help ASAP. Use the number in the question!!

saul85 [17]

√64 = 8 (8 X 8 = 64)

3√64 = 4 (4 X 4 X 4 = 64)

7 0

3 years ago

The volume of a cylinder is 4nx cubic units and its height is x units.

svetlana [45]

Answer:

6nx + 7p – 14p + 2nx – 6x

= 8nx -7p = 6x

answer is A.

8nx – 7p – 6x

Step-by-step explanation:

4 0

3 years ago