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stira [4]
3 years ago
12

What are the coordinates of the vertex for f(x) = x2 + 4x + 10?

Mathematics
2 answers:
KATRIN_1 [288]3 years ago
8 0

Answer: (-2,6)

Step-by-step explanation: I took the test on FLVS

MAVERICK [17]3 years ago
7 0
You have to complete the square to get it into vertex form.  Do this by setting the function equal to zero and at the same time moving the constant over to the other side of the equals sign so you have this: x^{2} +4x=-10.  Now we can complete the square on the polynomial by taking half the linear term, squaring it, and adding it to both sides.  Our linear term is 4. Half of 4 is 2, and 2 squared is 4, so we add 4 to both sides: ( x^{2} +4x+4)=-10+4 and simplify to get ( x^{2} +4x+4)=-6.  In this process we have created a perfect square binomial on the left, which happens to be (x+2) ^{2}=-6.  Now move the -6 back over by addition to get (x+2) ^{2} +6=y.  The vertex is found at (-2, 6), the third choice down.
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2 years ago
Choose the point-stope form of the equation below that represents the line that passes through the point (-1, 6) and has a slope
Keith_Richards [23]

Answer:

y-6 = -3(x+1)

Step-by-step explanation:

The point-slope form of a line is the following:

y-yo = m(x-xo), where 'm' is the slope and (xo, yo) is any point where the line passes through.

In this case, m=-3 and (xo, yo) = (-1, 6).

Therefore: y-yo = m(x-xo) = y-6 = -3(x+1)

In conclusion, the point-slope form of the equation that represents the line that passes through the point (-1, 6) and has a slope of -3 is:

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6 0
3 years ago
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MO is twice as long as MN. NO= 36 cm. What lengths must NM be between in order for MNO to be formed?
Nataliya [291]

Answer:

Length of NM is 36 cm

Step-by-step explanation:

Length of MN + Length of NO = Length of MNO (Or only MO)

X + 36 = 2X

2X - X = 36

X = 36 cm

Thus, length of MN is equal to length of NO i.e 36 cm

The line MNO has point N, that bisect it into two equal half.

Thus, the line MNO has two parts

Total length of line MNO = MN + NO = 36 + 36 = 72 cm

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