1. Which of the following expresses the equation 4x - 2y = 12 in slope-intercept form for the standard (x, y) coordinate plane?
2. Which of the following values for a in the equation 3x + 3a - 5 = 5x - a causes the solution for x to be 6?
3. The centers of 3 identically sized circles lie on the diameter of a larger circle, as shown in the figure below. Each of the 4 circles is tangent to 2 other circles, as shown. If the circumference of each small circle is 8Ï inches, what is the circumference of the largest circle, in inches?
4. A recipe calls for cooking a turkey 1 hour for every 3 pounds it weighs. How long should a 19-pound turkey cook?
5. Line T intersects parallel lines m and n. Angle measures are as shown in the figure below. What is the degree measure of a?
6. A photocopy machine enlarges a small triangle to produce a larger, similar triangle, as shown below. If the lengths of the sides, in inches, are as marked on the figure, and the triangles are similarly oriented, what is the value of x in inches?
7. If the lengths of adjacent sides of a rectangular playground have measures of 4x - 3 and 2x2 + 7 units, respectively, then which of the following expressions represents the area, in square units, of the playground?
8. Which of the following is a prime factorization of 2,100?
9. After Jean spent 90% of her vacation money, $100 remained. How much vacation money did she originally have?
10. Which of the following is a simplified version of whenever x â 0?
11. If 2x2 - x - 15 = 0, what are the 2 possible values for x?
12. All angles in the figure shown below are right angles. If each side has a length of 4 centimeters, what is the area of the figure in square centimeters?
13. If m, located at (-1, 2), is the midpoint of , and the coordinates of a are (2, 9), what are the coordinates of b?
14. In the figure below, lengths in units and angle measures in degrees are as marked. How many units long is ?
15. To increase the mean of 5 numbers by 3, by how much would the sum of the 5 numbers need to increase?