Math 8 Chapter 6
Multiply 1 and 3/4 x -4
-7
Multiply -4/9 x 2/3
-8/27
Evaluate 12a + 3b when a=1/3 and b=-3/4
-9
Solve for z 5z + 1.25 = 6.8
z=1.11
Solve for z z -9/5 = - 1/10
z=17/10
Solve for z 3z - 4/7 = 2
z=6/7
Solve for z z + .25 = 7.4
z=7.15
What is the additive inverse of 5/18
18/5
Write the equation A recipe calls for 2 and 1/2 cups of sugar. You only have 1 and 1/3 cups of sugar. How much more sugar do you need?
2 and 1/2 - 1 and 2/3 = z
Convert to scientific notation 2,100,000
2.1 x 10 to the 6th
Write the equation Two-thirds of a number is 46
2/3z=46
18.65 divided by 5.5
3.39
9/16 divided by 6
3/32
Multiply 3 and 1/8 x 4 x 2 and 2/5
30
Simplify, combine like terms 7y + 4 -3/5y
32/5y + 4
Evaluate e/f + f/e when e=15 and f=9
34/15
Simplify, combine like terms 7/5b + 1/3 + 7b -2
42/5b - 5/3
Subtract 7 and 5/6 minus 2 and 1/2
5 and 1/3
Convert to scientific notation 610,000,000
6.1 x 10 to the 8th
Evaluate the following when x=-3, y=5/8, z=3.7 and w=0.05 (z/w)-(x*x)
65
Multiply (3.69 x 10 to the -8th)(1.9 x 10 to the -6th)
7.011 x 10 to the -14th
Add 3/5+1/2+3/4
1 and 17/20
Add 5.3 x 10 to the 8th + 6.1 x 10 to the 8th
1.14 x 10 to the 9th