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d1i1m1o1n [39]
3 years ago
10

Find the vertex of the following equation. y= -x^2+4x+3

Mathematics
2 answers:
Ugo [173]3 years ago
7 0
D. (2,7) hope this helps you
Strike441 [17]3 years ago
3 0

Answer:

D. (2,7)

Step-by-step explanation:

Hope this helps!

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3 years ago
Which of the following is true of the discriminant for the graph below?
Sonbull [250]

Answer:

<u>Option C. It is zero</u>

Step-by-step explanation:

The graph represents a quadratic equation

The quadratic equation has the form ⇒a x² + b x + c

The discriminant of the quadratic equation is D = b² - 4ac

From the discriminant of the quadratic equation, we can know the type of roots of the quadratic equation.

  1. If D > 0 ⇒ Two real roots.
  2. If D = 0 ⇒ one real roots
  3. If D < 0 ⇒ Two imaginary roots.

The roots of the quadratic equation are the x-intercepts of the function.

As shown at the figure, the quadratic equation has only one point of intersection with the x-axis

So, the function has only one root ⇒ D = 0

So, the discriminant of the quadratic equation = 0

<u>The answer is option C. It is zero</u>

7 0
2 years ago
What is f(-2) for f(x)=1/2x^2
GarryVolchara [31]
Answer: 2

Steps:
f(-2) = 1/2x^2
f(-2) = 1/2(-2)^2
f(-2) = 1/2(4)
f(-2) = 2
7 0
2 years ago
3/4x+5-1/2x=3<br><br> Please solve answer
kow [346]

Answer:

x=-1.125

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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