Evaluate 3a^2 + 4b^2 for a = 2 and b = 3

A) 168

B) 48

C) 36

Question

Mathematics

Timothy Hurst

3 April, 22:37

Evaluate 3a^2 + 4b^2 for a = 2 and b = 3

A) 168

B) 48

C) 36

+5

Answers (1)

Know the Answer?

Daniel Morrison · Answer 1

B

Step-by-step explanation:

Given

3a² + 4b² (substitute a = 2 and b = 3 into the expression)

= 3 (2) ² + 4 (3) ²

= 3 (4) + 4 (9)

= 12 + 36

= 48 → B

Evaluate 3a^2 + 4b^2 for a = 2 and b = 3A) 168B) 48C) 36

Evaluate 3a^2 + 4b^2 for a = 2 and b = 3

A) 168

B) 48

C) 36