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makkiz [27]
3 years ago
7

What is the vertex of the function y=|x+3| - 2?

Mathematics
2 answers:
dmitriy555 [2]3 years ago
8 0

Answer:#3

Step-by-step explanation: The vertex form of this equation is y= | x-a | + b. So -(-x) would equal x. In the third answer choice, the x coordinate would be represented by a negative 3 (because two negatives make a positive). The y coordinate would be -2 because N + (-2) = N - 2, thus giving the answer of (-3,-2)

I hope this helped!!

mylen [45]3 years ago
4 0

Answer:

3. (-3,-2)

Step-by-step explanation:

For an absolute value the equation, the transformations are as shown:

y= ±a|b(x-h)|+k.

'h' and 'k' are the vertex coordinates, meaning if y= |x+3|-2:

h= -3

and k= -2

Therefore, we get:

(-3,-2)

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16x2 – 25
valkas [14]

Answer:

A

Step-by-step explanation:

=16x²-25

=(4x)²-(5)²

Using formula a²-b²=(a+b)(a-b)

=(4x+5)(4x-5)

6 0
3 years ago
A travels at an average speed of 55 miles per hour on the highway. Once inside the city limits, the truck decreases its speed by
Finger [1]
Answer:33mph
Step-by-step explanation:
the speed decrease by 40%
Therefore, (100-40)%*55miles/h
60%*55
0.6*55
33mph
6 0
2 years ago
Read 2 more answers
Answer correctly and Match it.
bezimeni [28]
1) -10,-2
2) -13,-3
3) 2,2
4) -5,3
4 0
3 years ago
If (ax^2 + 3x + 2b) - (5x^2+bx-3c)=3x^2-9, what is the value of A + B + C?
Rina8888 [55]

Answer:

We have the equation:

(ax^2 + 3x + 2b) - (5x^2+bx-3c)=  3x^2 - 9

First, move all to the left side.

(ax^2 + 3x + 2b) - (5x^2+bx-3c) - 3x^2 + 9 = 0

Now let's group togheter terms with the same power of x.

(a - 5 - 3)*x^2 + (3 - b)*x + (2b + 3c + 9) = 0.

This must be zero for all the values of x, then the things inside each parenthesis must be zero.

1)

a - 5 - 3 = 0

a = 3 + 5 = 8.

2)

3 - b = 0

b = 3.

3)

2b + 3c + 9 = 0

2*3 + 3c + 9 = 0

3c = -6 - 9 = -15

c = -15/3 = -5

Then we have:

a = 8, b = 3, c = -5

a + b + c = 8 + 3 - 5 = 6

8 0
3 years ago
What is the solution to 8 + 9p = 9p - 7?
Norma-Jean [14]

Answer:

15=0 not a real number

Step-by-step explanation:

8+9p=9p-7  

+7          +7

15+9p=9p

-9p        -9p

15=0

4 0
3 years ago
Read 2 more answers
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