Algebra Review 2/2

3. Triangles with a 90° angle are called _____ triangles.
6. Area of a rectangle is equal to length times _____.
7. The probability of a coin landing on tails three times in a row can be calculated and written as a fraction. What is the denominator of the fraction? (Hint: the numerator is one).
11. Which axis is on the line x=0? Include “axis” in your response.
12. A triangle is placed on a rectangle to form a new figure. It is called a ________ figure because it is made of two or more shapes.
14. A pentagon has two points A and B at (1,0) and (2,1), plus three more. If the pentagon is moved so A’ and B’ are at (2, 2) and (3,3) what transformation occurred?
15. The point where the x-axis and the y-axis meet. Located at (0,0).
16. How many sides are on a number cube?
17. Similar to natural numbers but includes zero: ____ numbers.
18. Given a circle with a diameter of 14 in, what is the length of the radius?

1. What percent of the data fits between Q1 and Q3 of a boxplot?
2. To solve the equation 3x+5=8, the first step might be to _______ 5 from both sides.
4. In the equation y=20x+12, what is the y-intercept?
5. On the coordinate plane, y-values go up or down; the y-axis is the _______ axis.
8. Are the following decimals rational or irrational: 0.4, 0.125, 0.333..?
9. The hypotenuse is directly ______ from the 90° angle.
10. Natural numbers are also called ______ integers because they exclude negative numbers and zero.
13. To find the average of two numbers, add them and divide the sum by ___.