dogggggggyyyy
dogggggggyyyy dogggggggyyyy
  • 24-01-2020
  • Mathematics
contestada

If y = 2x2 – 4x, what is the value of y when x equals 5.
A.10
B.30
C.80
D.480

Respuesta :

DreamyboatSC
DreamyboatSC DreamyboatSC
  • 24-01-2020

Answer:

The value of y in the given equation is B. 30.

Step-by-step explanation:

y = 2x² - 4x             x = 5

y = 2(5)² - 4(5)        Plug 5 in for x

y = 2(25) - 20         Square 5 and multiply 4 by 5

y = 50 - 20             Multiply 2 by 25

y = 30

Hope this helps,

❤A.W.E.S.W.A.N.❤

Answer Link

Otras preguntas

Please show work and thank you
PLEASE HELP!!!!! Fiction, nonfiction, and informational graphics all may be used to persuade readers to agree with an author’s point of view. How do these forms
Expand and simplify 5(3x+2)-2(4x-1)
What is the slope of the line perpendicular to the given line? 5x - 2y = 14
Please answer Ill give 5 stars to right answers: a neighbors dog barked at tana the last 4 out of 5 times she walked by their house A: what is the experimental
List two benefits and two applications of ultrasound imaging.
Which statement is FALSE? A. Market supply schedules include all firms that sell a product in one market. B. Individual supply schedules show the amount that
The group of young French composers including Francis Poulenc and Georges Auric that was active in the 1920s was collectively known as
Practice Active A 1 M You need enough carpet to cover the floor in a triangular room. How much carpet will you need? If necessary, round to the nearest tenth. 2
What is the rate of change of the function f(x)=0.25x2−2x on the interval [1, 6]?