Evaluate the following. Find the answer on the box that matches your answer.
Write the letter of the item below the matched item. (10 Points)
Given:
x = 2
y = 3
II. Evaluate the following algebraic expressions (5 Points)
1. 7x + 2, when x= 2 ______
2. x2 – 3x, when x= 3 ______
3. 2x + 3y, when x=1 and y= -2 ______
4. 4x2 +6y, when x=-2 and y= -1 ______
5. If x=4, find the value of 3x +4 ______
III. Evaluate the following algebraic expression using x=2, y= 3 and z= -4 (5 Points)
1. 5x + 3y _______
2. 2y2 -1 _______
3. y2 –z2 _______
4. 4x – 2y _______
5. x2 + 3y +z _______
Addition and Subtraction of Polynomials
I. Perform the indicated operation (5 Points)
1. 4x + 5x = ____________
2. -4y- (-5y) = ____________
3. (4x + 5x) + (4y – 5y) = ____________
4. (4x + 5x) - (4y – 5y) = ____________
U 3x + 5y