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
alina1380 [7]
2 years ago
9

Identify the vertex and the axis of symmetry of the graph of the function y = 2(x+2)2 - 4

Mathematics
2 answers:
Mekhanik [1.2K]2 years ago
7 0

Answer:

Part 1) The vertex is the point (-2,-4)

Part 2) The axis of symmetry is equal to x=-2

Step-by-step explanation:

we know that

The equation of a vertical parabola into vertex form is equal to

y=a(x-h)^{2}+k

where

(h,k) is the vertex of the parabola

The axis of symmetry of a vertical parabola is equal to

x=h ----> the x-coordinate of the vertex

In this problem we have

y=2(x+2)^{2}-4

The vertex is the point (-2,-4)

The axis of symmetry is equal to the coordinate of the vertex

so

x=-2

see the attached figure to better understand the problem

Rashid [163]2 years ago
3 0
(-2, -4) Would be your answer written in standard form.

You might be interested in
(2 + i)(3 - i)(1 + 2i)(1 - i)(3 + i)
anygoal [31]

Answer:

<h2>50+50i</h2>

Step-by-step explanation:

Given the expression (2 + i)(3 - i)(1 + 2i)(1 - i)(3 + i), we are to take the product of all the complex values. We must note that i² = -1.

Rearranging the expression [(3 - i)(3 + i)] [(2 + i)(1 - i)](1 + 2i)

On expansion

(3 - i)(3 + i)

=  9+3i-3i-i²

= 9-(-1)

= 9+1

(3 - i)(3 + i) = 10

For the expression (2 + i)(1 - i), we have;

(2 + i)(1 - i)

= 2-2i+i-i²

= 2-i+1

= 3-i

Multiplying 3-i with the last expression (1 + 2i)

(2 + i)(1 - i)(1 + 2i)

= (3-i)(1+2i)

= 3+6i-i-2i²

= 3+5i-2(-1)

= 3+5i+2

= 5+5i

Finally,  [(3 - i)(3 + i)] [(2 + i)(1 - i)(1 + 2i)]

= 10(5+5i)

= 50+50i

Hence,  (3 - i)(3 + i)(2 + i)(1 - i)(1 + 2i) is equivalent to 50+50i

5 0
2 years ago
Hai are yall real:/?
sammy [17]

Answer:

yes surprisingly

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Which is equivalent to 9+2i -(6+ 4i)?<br> [A] 3-212<br> [C] 15+6i<br> [B] 3-6<br> [D] 3-2i
Vinvika [58]
It's D, 3-2i.

Hope this helps
8 0
3 years ago
It is a best practice to analyze data directly on an infected machine. t or f?
Alex Ar [27]
I would say your answer is FALSE
5 0
2 years ago
Two mechanics worked on the car the first mechanic work for five hours in a sec mechanic work for 15 hours together the tires a
FrozenT [24]

Answer:

Mechanic 1: $55 per hour

Mechanic 2: $105 per hour

Step-by-step explanation:

Given

Represent the rate of the first mechanic with x and the second with y.

So, we have:

x + y = 160

The total earnings is: $1850, so we have:

5x + 15y = 1850

Required

Determine the rate of each

The equations are:

x + y = 160 --- (1)

5x + 15y = 1850 --- (2)

Divide (2) through by 5

x + 3y = 370 --- (3)

Subtract (1) from (3)

x - x + 3y - y = 370 - 160

2y = 210

Divide through by 2

y = \frac{210}{2}

y = 105

Substitute 105 for y in (1)

x + y = 160

Make x the subject

x = 160 - y

Substitute 105 for y

x = 160 - 105

x = 55

Hence:

Mechanic 1: $55 per hour

Mechanic 2: $105 per hour

7 0
3 years ago
Other questions:
  • When meat cooks its weigh decreases by approximately 22% justin cooks boneless chicken thighs thats is 8oz before cooking .predi
    11·1 answer
  • Find the sum of a finite geometric sequence from n = 1 to n = 7, using the expression −4(6)^n − 1.
    10·2 answers
  • Eli, a pretty smart ape in the Salt Lake City zoo, has correctly picked the winner of the last 7 Super Bowls. Read about Eli's p
    14·1 answer
  • darrel wants to see how much water is wasted by his leaky facet. he put a 4 gallon bucket under the fausey. after 24 hours the b
    12·1 answer
  • Sam's recipe calls for 2 1/2 cups of flour. Pete's recipe calls for 2 1/4 times the amount of flour in Sam's recipe.
    13·2 answers
  • Jason purchased 2 popcorns and 3 soft drinks for a total of $23. Ann purchased 3 popcorns and 4 soft drinks for a total of $32.5
    5·2 answers
  • (10 points) help!!! Pls
    11·1 answer
  • Solve for k<br> p(k + 12) = 8 – 4k
    6·2 answers
  • Which segment on the graph could be described as “rising slowly”?
    6·2 answers
  • PLSSSSSSSSSSSSS HELPPPPPPPPPPPPPPP
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!