Ask question

Ask question

All categories

3 years ago

15

The vertex of a parabola is at (-2,-3). When the y-value is -2, the x-value is -5. What is the coefficient of the squared term i

n the parabola's equation?

1 answer:

denis23 [38]3 years ago

4 0

Answer:

$y=a(x+2)^{2} -3\\-2=a(-5+2)^{2} -3\\\frac{-2+3}{9} =a\\a=\frac{1}{9} \\$

Step-by-step explanation:

You might be interested in

(NEED HELP ASAP!!!) Jamie unfolded a cardboard box. The figure of the unfolded box is shown below: A long rectangle divided alon

Oksanka [162]

Answer:

6 x 4 x 4 Hope I get u right<3

Step-by-step explanation:

4 0

3 years ago

Evaluate x + sq root(yz) when x = 3, y = 2, and z = –8.

Alex_Xolod [135]

Just remember $\sqrt{-1} = i$

Sub in the numbers:
$3 + \sqrt{-16} = 3+ \sqrt{16}\sqrt{-1} = 3 + 4i$

7 0

3 years ago

Which polynomials are in standard form?

Pavlova-9 [17]

Answer:

3z - 1

$-5p^{5} + 2p^{2} -3p + 1$

Step-by-step explanation:

In a standard form of a polynomial, the value in the power of the variable reduces from left to right.

Therefore, 3z - 1 polynomial is in standard form since the z term comes to the left of the constant term.

Again, $-5p^{5} + 2p^{2} -3p + 1$ polynomial is also in standard form since the power of p reduces from left to right. (Answer)

3 0

3 years ago

Read 2 more answers

Jessica made 124 cookies. She put the cookies into three boxes, A, B and C.

Oxana [17]

There are 78 cookies in box C, 26 cookies in box B and 10 cookies in box A.

let the number of cookies in first box be represented mathematically as B-16

the number of cookies in second box be represented as B

the number of cookies in third box be represented as 3B

Since there are 124 cookies we can make an equation such that it becomes

B-16 +B +3B =124

Solving for B, we have

5B -16 =124

5B =124 +16

5B =130

B=130/5

B=26

Therefore Box A contains B-16 =26-16 =10 cookies

Box C contains 3B =3 X 26=78 cookies

See similar question here: brainly.com/question/23505776

7 0

2 years ago

Kai ling has 4m kg of flour. She bought 2 more packets of flour, each of mass m kg. How much flour does she have now in terms of

Murrr4er [49]

Originally she had = 4m kg.

2 more, each at m kg = 2*m = 2m

Total = 4m + 2m = 6m

So she has 6m kg of flour now.

Hope this helps.

7 0

3 years ago