Register
4. Evaluate 5x2 + 16y for x = 2 and y = -3
186k views
10 votes
4. Evaluate 5x2 + 16y for x = 2 and y = -3

User Wim Mertens
by
3.4k points

2 Answers

6 votes

Answer:

-28

Explanation:

=5(2)²+16(-3)

=5(4)+(-48)

=20-48

=-28

User Reming Hsu
by
3.4k points
0 votes

Answer:

-28

Explanation:

Expression: 5x²+16y

x=2 and y=-3

We'll substitute x as 2 and y as -3

5(2)²+16(-3)

Following Order of Operations, do the exponent part first

5(4)+16(-3)

Multiply

20-48

subtract

-28

Hope this helps

User Jashin
by
3.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.8m questions

4.9m answers

Other Questions

A study was completed in Florida. In southern Florida, the study involved 3,000 patients; 54% of them experienced flulike symptoms during the same month. The study had a margin of error of 1.8%. What does
Solve for x in the equation 3 x squared minus 18 x + 5 = 47. (I need this to be an answer like X=3+\_ square root 23)
Please answer asap.......... ...
Can someone help me plz I have to Turn 27/9 in simplest
1 divided by 1/5????????
Link Copied!