Could you pass the STAAR Algebra II exam?
Feb. 4, 2012 at midnight
Updated Feb. 3, 2012 at 8:04 p.m.
The following questions released by the Texas Education Agency were adapted from a STAAR end-of-course Algebra II exam.
1. The base of a triangle is 3 inches less than twice its height. If the area of the triangle is 126 square inches, which of the following equations can be used to find h, the height of the triangle in inches?
2. What shape best describes the graph of 2x² + 5y² - 2x - 10y - 15 = 0
3. A monthly cell phone plan charges $5 for the first 300 text messages used and 15 cents for each additional message. On this plan, what is the number of text messages that must be used in a month in order to make the average cost per message $0.05?
4. A family spent a total of $1,946 on fast food this year. If this family decreases the amount it spends on fast food by 3 percent every year, which of the following is closest to the annual amount the family will spend on fast food after 5 years?
1. 2h² - 3h - 252 = 0