1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nikolay [14]
4 years ago
6

What is the vertex of g(x) = 3x2 − 12x + 7?

Mathematics
2 answers:
bazaltina [42]4 years ago
6 0

Answer:

C)   (2, -5).

Step-by-step explanation:

Convert to vertex form:

3x^2 - 12x + 7

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

Completing the square:

= 3[ (x - 2)^2 - 4)] + 7

= 3(x - 2)^2 - 12 + 7

= 3(x - 2)^2 - 5.

Comparing with the general form

a(x - b)^2 + c  we see that the vertex is (b, c)  =   (2, -5).

8090 [49]4 years ago
3 0

Answer:

It would be C

Step-by-step explanation:

(2, -5)

You just to change to vertex form

You might be interested in
A die is tossed. fi d the odds against rolling a number greater than 1
anzhelika [568]
8.333333 reoccurring. 1 divided into 6 is 1.666667. Multiply by the remaining amount, 5? Idk
8 0
4 years ago
The height of a triangle is 8 m less than its base. The area of the triangle is 42 m². The situation can be represented by the e
solmaris [256]

Answer:

14

Step-by-step explanation:

A = 1/2 BH

B = 5H

A = 490

490 = 5/2 * H^2

H = 14

3 0
3 years ago
Find the x-intercepts of the parabola with
12345 [234]

Answer:

x-intercepts are (0, 0) and (-6, 0)

Step-by-step explanation:

equation of a parabola in vertex form:  y = a(x - h)² + k

where (h, k) is the vertex

Substituting the given vertex (-3, -18) into the equation:

y = a(x + 3)² - 18

If the y-intercept is (0, 0) then substitute x=0 and y=0 into the equation and solve for a:

0 = a(0 + 3)² - 18

⇒ 0 = a(3)² - 18

⇒ 0 = 9a - 18

⇒ 9a = 18

⇒ a = 2

Therefore, y = 2(x + 3)² - 18

To find the x-intercepts, set the equation to 0 and solve for x:

                                 2(x + 3)² - 18 = 0

Add 18 to both sides:     2(x + 3)² = 18

Divide both sides by 2:    (x + 3)² = 9

Square root both sides:      x + 3 = ±3

Subtract 3 from both sides:  x = ±3 - 3

so x = 3 - 3 = 0  

and  x = -3 - 3 = -6

So x-intercepts are (0, 0) and (-6, 0)

8 0
2 years ago
Read 2 more answers
Mod 12 Exam
ExtremeBDS [4]
The answer is 16 reasoning is the dimensions add up an submit
7 0
3 years ago
Which of the following statements is true?<br><br> a.<br> b.<br> c. <br> d.
ludmilkaskok [199]

Answer:

confused on what you are asking

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • A restaurant offers four sizes of pizza, two types of crust, and eight toppings. How many possible types of pizza with one toppi
    9·1 answer
  • Having trouble with subtracting and regrouping mixed numbers. 5 1/8 -2 4/8.
    10·1 answer
  • A copy machine makes 36 copies per minute. How many does it make in 3 minutes and 15 seconds
    12·2 answers
  • Which two numbers are not integers?
    6·2 answers
  • Which statement is true about the value of (6)? A.(6) greater-than 6
    14·1 answer
  • Eight students on a class treasure hunt found the following number of hidden chocolates. Their teacher wanted to be sure that ea
    7·1 answer
  • Mr.Jackson ran 7-8 mile on Monday. He ran 3-8 mile on Wednesday and 5-8 mile of Friday. Oh which day did Mr. Jackson run the sho
    7·2 answers
  • Solve for x in a right triangle (show work)
    8·1 answer
  • Solve the system of equations:<br><br><br><br> 8x + 3y = 13<br><br> 3x + 2y = 11
    5·1 answer
  • Approximate the area under the
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!