slumpedsamantha slumpedsamantha

03-02-2021
Mathematics

contestada

Evaluate – 2.x2 - 4x + 5 when x - 3 and explain pleasee

Respuesta :

manissaha129 manissaha129

03-02-2021

Answer:

f(x)= -2x²- 4x + 5 when x= - 3

f(-3)= -2(-3)²- 4(-3) + 5

f(-3)= -2(9)+12+5

f(-3)= -18+12+5

f(-3)= -18+17

f(-3)= -1

f(-3)= -1 is the right answer.

Answer Link

Otras preguntas

Which one of the following mathematical statements is true? A. 0 ÷ 28 = 0 B. 28 – 0 = 0 C. 28 ÷ 0 = 0 D. 28 0 = 0

What is the table for y=8x+12

The model of the universe that suggests that the sun is the center of the universe was first brought by A. Kepler. B. Copernicus. C. Brahe. D. Ptolemy.

The weight of an object on the moon is 1/6 it's weight on Earth. Write 1/6 as a decimal.

A tortoise is walking in the desert. It walks 6.4 meters in 4 minutes. What is its speed?

Evaluate the expression when p = 9.3 and q = –2.1. p – 3q a. 15.6 b. 3.0 c. –13.2 d. –15.6 My answer is D

How do I get the answer to 3(-2-3x)=-9x-4

At the playground, 60% of the bike rack was filled. Thisis 30 bikes. How many total slots are there for bicycles?

why is it helpful to write a number as a product of primes?

Which term describes matter that is a substance made of diffrent kinds of atoms bonded together