Indices
What number do we use for our Indices if we say a number is squared?
2
Example: 5 squared is 52
Solve 92
If I had 5 apples, gave 4 of them to Friend 1, and then got 8 more apples from Friend 2, how many apples would I have?
What is the square root of 81?
9
16 + 17 - 15
18
What is the first Index Law?
am x an = am+n
Solve 112
If x = 3, solve the following equation for a;
a = 2x + 2
a = 8
What is the square root of 82?
8
(12 x 25) / 10
30
Calculate 44
256
Solve 202
400
If x = 6, solve the following equation for b;
b = 5x + 5
b = 35
LUCKY DIP:
Who was the last country to win the soccer world cup?
Argentina
17 + 5 x 11
72
Calculate 84
4096
Solve 532
2809
If x = 10, solve the following equation for c;
c = 5 x (16+x) - x2
c = 30
What is the square root of 3025?
55
20 x 6 - 5 x 10
70
Simplify the following;
(a6)3
a18
Solve 992
9801
Create an algebraic equation for the following worded problem.
I get loaves of bread to eat weekly (B). The number of loaves I buy is never certain, so I need an equation to figure out how much I am spending on Bread (C), based on a cost of $6.40 per loaf.
C = 6.4B
What is the square root of 7744?
88
304 / 50