True or False 1 2 𝑤= 𝑤 2 True
4(2) + 2(1/2) 8 + 1 9 Substitute and Evaluate when x = 2 and y = ½: 8 + 1 9 Substitute and Evaluate when x = 2 and y = ½: 4x + 2y
Substitute and Evaluate when x = 8 and y = ½: 8(8) + 3(1/2) 64 + 1 1 2 65 1 2 Substitute and Evaluate when x = 8 and y = ½: X2 + 3y
5.3 + 1.1 6.4 Substitute and Evaluate when a = 1.1: 5.3 + a
1 2 +32= 1 2 +9 9 1 2 Hint: y + 32 Substitute and Evaluate when x = 2 and y = ½: The sum of y and 3 squared
True or False 2 6 𝑏= 𝑏 3 True
9.7 - 2.5 7.2 Substitute and Evaluate when s = 2.5 9.7 - s
Y cubed plus the product of four and x (1/2)3 + 4(1/4) 1/8 + 4 4 1 8 Hint: y3 + 4x Substitute and Evaluate when x = 2 and y = ½: Y cubed plus the product of four and x
9b +a Substitute and Evaluate when a = 5 and b = 1 3 : 9( 1 3 ) + 5 3 + 5 8
Hint: combine like terms first Substitute and Evaluate when x = 2 and y = ½: 3x + 2y – x + 7 Hint: combine like terms first 2x + 2y +7 2x +2y +7 2(2) + 2( 1 2 ) + 7 4 + 1 + 7 12
1 2 3 1 8 inches cubed To find the volume of a cube, use the formula V = s3 If a cube has a side that is 1 2 inch, what is the volume?
Substitute and Evaluate when s = 4: 6·42 6·16 96
A carpet layer wants to lay carpet A carpet layer wants to lay carpet. The formula he uses to find the area is A = l x w. The length is 10 1 2 feet and the width is 9 1 2 feet. What is the area of the carpet? 10 1 2 x 9 1 2 99 3 4 feet
2 - 1 4 (2) 2- 1 2 1 1 2 Substitute and Evaluate when m = 2 m - 1 4 m
5(10+ 2) - 4 5(12) – 4 60 – 4 56 Substitute and Evaluate when r = 10 and b = 4: 5(r+2) - b 5(10+ 2) - 4 5(12) – 4 60 – 4 56