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Sonja [21]
3 years ago
8

Lesson 2 Practice Problems

Mathematics
1 answer:
scZoUnD [109]3 years ago
5 0
The correct option for this question would be C.
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The graph Of y= x2 + 11x + 24 is equivalent to the graph of which equation?
stepan [7]

Answer:

Step-by-step explanation:

Please use " ^ " to indicate exponentation:   y= x^2 + 11x + 24.  Thanks.

Because x^2 is positive, the graph of this parabola opens up.

We can find the vertex and roots (zeros) as follows, using the quadratic formula:

With a = 1, b = 11 and c = 24,

       -11  ± √ [ (11^2-4(1)(24) ]       -11 ± √25

x = ------------------------------------ = --------------- = -3    and   x = -8

              2(1)                                     2

This tells us that the x-intercepts are at (-3, 0) and (-8, 0).  The minimum value is at x = -b / (2a), which here is x = -11 / [2] = -5 1/2 (which is halfway between the zeros).

The vertex (and thus, the minimum) is at (-5 1/2, f(-5 1/2) ).

7 0
3 years ago
Please help me! ;_; I’m so lost here if you could help thanks
Gennadij [26K]
You’ll need a rule and measure it by inches and whatever inches you get write them down
5 0
3 years ago
Which statements are true about the solution of 15 > 22+ x? Select three options.
Evgesh-ka [11]

Answer:

x \leqslant  - 7 \\ the \: graph \: has \: a \: closed \: circle \\  - 7 \: is \: a \: part \: of \: the \: solution

7 0
3 years ago
Let f(x)= 3x-2 and g(x)=4x+1<br><br> Find (fog)(x)<br><br> Please help!!!
Lisa [10]

Answer:

f(g(x)) = 12x + 1

Step-by-step explanation:

Step 1: Define functions

f(x) = 3x - 2

g(x) = 4x + 1

Step 2: Find f(g(x))

f(g(x)) = 3(4x + 1) - 2

f(g(x)) = 12x + 3 - 2

f(g(x)) = 12x + 1

3 0
4 years ago
Quizizz help pls 10 pts each brainliest guaranteed WITH A PICTURE
jeyben [28]

Answer:

9x^3-8x^2

Step-by-step explanation:

(7x^3-4x^2)+(2x^3-4x^2)

Combine 7x^3 and 2x^3 to get 9x^3.

9x^3-4x^2-4x^2

Combine 4x^2 and

9x^3-8x^2

Hope this helps.

7 0
3 years ago
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