Seudónimo Seudónimo

02-11-2020
Mathematics

contestada

What is the value of 3x^2-5x+2 when x=-4?
a. -66
b. -26
c. 30
d. 70

Respuesta :

seetha1980 seetha1980

02-11-2020

Answer:

d. 70

Step-by-step explanation:

Substituting the value of x=-4, in the given quadratic expression,

3* (-4)^2 - 5*(-4) + 2

= 3*16 - (-20) + 2

= 48 + 20 + 2

= 70

Answer Link

Otras preguntas

Something times 3=-180

Write 0.65% as a fraction in simplest form.

uld Carbon Dioxide be at its lowest level? A) July B) April C) January D) Ma What created the weather anomaly in the winter of 1980?

Water flows through a pipe at a rate of 7 liters every 9 days. Express this rate of flow in gallons per week. Round your answer to the nearest hundredth.

Im struggling with these 2 problems

A bag contains the following marbles: 8 black marbles, 12 blue marbles, 18 brown marbles, and 6 green marbles. What is the ratio of brown marbles to blue marble

Sam says, "All tigers have stripes." Bob says, "I see a tiger!" What conclusion can Sam draw? What Law did he use to reach that conclusion?

Plants store _____ energy in their tissues. A mechanical B heat C light D chemical

A study investigated about 3000 meals ordered from Chipotle restaurants using the online site Grubhub. Researchers calculated the sodium content (in milligrams

Determine the solution for 72 = 3(5b − 1). b = 3.5 b = 4.6 b = 5 b = 14.2