Across
1
U-shaped curve of a quadratic function
3
Rectangular array of numbers
5
Result of multiplication
6
Number divisible only by 1 and itself
9
Number greater than zero
11
Part of a whole number
Down
2
Three-sided polygon
3
Repeated addition
4
System of ordered marks for measuring
7
Reference line in a graph
8
Sum divided by count
10
Number that divides evenly into another