https://file.aiquickdraw.com/mathbot/file/1726570770503nz6bhr1u.jpg

The image shows two algebraic questions, and part (a) has already been solved, with the answer provided as **11**. Let's go through the steps for both parts:

### a) Find the value of \(2x + y\) when \(x = 4\) and \(y = 3\)
1. Substitute \(x = 4\) and \(y = 3\) into the expression:
   \[
   2x + y = 2(4) + 3 = 8 + 3 = 11
   \]
   The answer for part (a) is indeed **11**, which has been correctly provided.

### b) Find the value of \(a^2 + b\) when \(a = -2\) and \(b = 5\)
1. Substitute \(a = -2\) and \(b = 5\) into the expression:
   \[
   a^2 + b = (-2)^2 + 5 = 4 + 5 = 9
   \]
   So, the answer for part (b) is **9**.

Let me know if you would like more details or have any questions! Here are five related questions to practice:

1. Find the value of \(3x + 4y\) when \(x = 2\) and \(y = 1\).
2. Find the value of \(x^2 + 2y\) when \(x = -3\) and \(y = 4\).
3. Find the value of \(5a - 2b\) when \(a = 1\) and \(b = -1\).
4. Find the value of \(2p^2 + q\) when \(p = 3\) and \(q = 7\).
5. Find the value of \(3m + n^2\) when \(m = 0\) and \(n = 5\).

**Tip:** Always check whether negative signs are inside or outside parentheses, especially when squaring numbers.

a) Find the value of 2x + y when x = 4 and y = 3. b) Find the value of a^2 + b when a = -2 and b = 5.

Learn how to solve algebraic expressions with substitution. Find the value of 2x + y when x = 4 and y = 3, and a^2 + b when a = -2 and b = 5. Suitable for students in Grades 7-9.

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