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Vikki [24]
3 years ago
9

Please help me im confusedddd

Mathematics
1 answer:
MissTica3 years ago
8 0

Answer:

A?

not sure tho

am i right?

i think im wrong-

or B?

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f(x)=(x+3)(x-4) and g(x)=1/3(x+3)(x-4). the graphs of each are shown here. Which graph represents which polynomial function? exp
zvonat [6]

This is about interpretation of quadratic equation graphs.

<u><em>- The parabola that is continuous represents f(x) = (x+3)(x-4)</em></u>

<u><em>- The parabola that is a broken line represents g(x) = 1/3(x+3)(x-4)</em></u>

<u><em>- This is because calculating their y-intercept respectively corresponds with what is on the graph.</em></u>

  • We are given;

a) f(x) = (x+3)(x-4)

Let us confirm the x-intercept.

x-intercept here is when y = 0.

Thus, at y = 0; x + 3 = 0 and x - 4 = 0

Thus, at y = 0; x = -3 and y = 4

  • Let's now find the y-intercept;

y-intercept occurs when x = 0

Thus; y - intercept = (0 + 3)(0 - 4)

y - intercept = -12

  • Looking at the graph given, the only one that has it's y-intercept as -12 is the graph that has a continuous line.

  • This means the other graph that has dashed line would represent the other polynomial g(x)=1/3(x + 3)(x - 4)

Read more at; brainly.in/question/18896888

4 0
3 years ago
The length of the rectangle is 8cm longer than the width.
masya89 [10]
The length of the rectangle is 8cm longer than the width.
l=w+8
If the length of the original rectangle is increased by 6cm and the width is increased by 3cm the perimeter is 76cm.
p=76=((l+6)+(w+3))*2=(l+6+w+3)*2=(l+w+9)*2

to solve this substitute l=w+8 into the p= equation:
p=76=((w+8)+w+9)*2=
76=(2w+17)*2
76=4w+34
42=4w
10.5=w

l=w+8=10.5+8=18.5
4 0
4 years ago
(-2x^2 + wx - 4) - (x^2 + 5x + 6) = -3x^2 - 10<br><br> What is the value of w??
Ronch [10]

Solution for the question asked: 3x^2-5x+4=6


it can be simplified by subtracting 6 from both the sides...


3x^2-5x+4-6=6-6


3x^2-5x-2=0 which is the required form where a=3,b=-5 and c=-2.Now putting the values in the formula we will get two values for x which are 6 and (-1).

hope this will help you

3 0
4 years ago
Read 2 more answers
Kevin is purchasing a new car for $32,000. It
dimaraw [331]

Answer:

8

Step-by-step explanation:

7 0
3 years ago
Please help asap and i will give brainliest
Feliz [49]

Answer:

i would say i think it's A if not sorry

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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