Register
- x2 + 3x – 7 when x = 4
87.8k views
3 votes
- x2 + 3x – 7 when x = 4

User Leebutts
by
3.4k points

2 Answers

4 votes

Answer:

-3

Explanation:

-4•2+3•4-7

-8+3•4-7

-8+12-7

4-7

-3

User Brittaney
by
3.9k points
1 vote

Answer:

-11

Explanation:

-x^2 +3x-7

Let x=4

-(4)^2 +3(4) -7

Exponents first

-16 +12-7

-4-7

-11

User CarlosJavier
by
3.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.5m questions

4.5m 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)
Can someone help me plz I have to Turn 27/9 in simplest
The sanchez family goes out for dinner, and the price of the meals is $60. The sales tax on the Meals is 7 percent, and they also want to leave a 15 percent tip. What is the total cost of the meal? Analyze
Simplify: 10 ÷ [(5 + 2) − 5]
Link Copied!