Algebra words

5. The line segment joining two points on a circle and passing through the center of the circle
6. The number 1 is the multiplicative identity because multiplying 1 times any number gives that number
8. The answer to a division problem
11. The distance of a number from zero; the positive value of a number
12. A constant that multiplies a variable
13. The steepness of a line expressed as a ratio, using any two points on the line

1. The distance around a circle
2. Set of two numbers in which the order has an agreed-upon meaning, such as the Cartesian coordinates (x, y), where the first coordinate represents the horizontal position, and the second coordinate represents the vertical position
3. The ratio of the circumference of a circle to its diameter
4. The vertical axis in a Cartesian coordinate system
5. a(b + c) = ab + ac
7. A mathematical statement that says that two expressions have the same value; any number sentence with an =
9. The point (0, 0) on a coordinate plane, where the x-axis and the y-axis intersect
10. The horizontal axis in a Cartesian coordinate plane