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Aneli [31]
2 years ago
5

Help asap! Identify the function shown in this graph.

Mathematics
1 answer:
Montano1993 [528]2 years ago
4 0

Answer:

A

Step-by-step explanation:

Using the formula y=mx+b we see the b (the y intercept) is at -1. Only answer choice A and B have a y intercept at -1. Now we check which one of those will correspond with the negative slope. A is negative and B is positive --> A is the correct answer choice.

You might be interested in
Express y = -2x² - 4x + 7 in the form of perfect square and find the maximum points.
Marat540 [252]

Answer:

<em>Maximum: (-1,9)</em>

Step-by-step explanation:

<u>Vertex form of the quadratic function</u>

If the graph of the quadratic function has a vertex at the point (h,k), then the function can be written as:

y=a(x-h)^2+k

Where a is the leading coefficient.

We are given the following function:

y =-2x^2-4x+7

To find the vertex, we need to complete squares. First, factor -2 on the first two terms:

y =-2(x^2+2x)+7

The expression in parentheses must be completed to represent the square of a binomial. Adding 1 and subtracting 1:

y =-2(x^2+2x+1- 1)+7

Taking out the -1:

y =-2(x^2+2x+1)+2+7

Factoring the trinomial and operating:

y =-2(x+1)^2+9

Comparing with the vertex form we have

Vertex (-1,9)

Leading coefficient: -2

Since the leading coefficient is negative, the function has a maximum value at its vertex, i.e.

Maximum: (-1,9)

3 0
2 years ago
Factor 1/8 out of 1/8x−49/8.
AleksandrR [38]

Answer:

1/8(x-49)

Step-by-step explanation:

1/8x -49/8

Factor out 1/8

1/8*x - 1/8*49

1/8(x-49)

7 0
3 years ago
Can someone please helpp
NeTakaya

Answer:

B

Step-by-step explanation:

8 0
2 years ago
Someone please help me with this!!!
lakkis [162]

Answer:

Ask your teacher AKA me.

Step-by-step explanation:

I'll see you at school tomorrow.

4 0
3 years ago
Consider the average daily winter temperature and your heating bill- is there likely to be a correlation? If so does the correla
creativ13 [48]
The answer to this is that t<span>here is a negative correlation and a causal correlation. The higher the average daily winter temperature the lower your heating bill.</span>
7 0
2 years ago
Read 2 more answers
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