216k views
11 votes
7.(06.04)

5x + 1/2 y^2
What is the value of the expression above when x = 3 and y = 2? You must show all work and calculations to receive full credit. (4 points)

User JasonS
by
5.3k points

2 Answers

8 votes

Answer:

5x + 1/2 y² when x = 3 and y = 2


→\boxed{5x + (1)/(2) {y}^(2) } = 5(3) + (1)/(2) {(2)}^(2) \\ = 5(3) + (1)/(2) (4) \\ = (15 + 2) \\ = \boxed{ 17}✓

17 is the right answer.

User Peter Boomsma
by
5.8k points
4 votes

Answer:

  • 17

Explanation:

Given expression:

  • 5x + 1/2y²

Value of expression when x = 3 and y = 2:

  • 5*3 + 1/2*2² =
  • 15 + 2 =
  • 17
User LoLzMan
by
5.0k points