What value of x will satisfy the following matrix equation?
In the figure shown below, bisects BAD, and bisects CAE What is the measure of CAD?
（A）30° （B） 45° （C） 60° （D） 90° （E） Cannot be determined from the given information
Correct Answer: C
At the end of each month, a credit card company uses the formula D = B (1 + r) + 10m2 to calculate debt owed, where D is the cardholder's total debt; B is the amount charged to the card; r is the rate of interest; and m is the number of payments the cardholder has previously missed. If Daniel has charged $2,155 to his credit card with a 13% interest rate and has missed 2 payments, which value is closest to Daniel's total credit card debt?
（A）$2,195 （B） $2,435 （C） $2,455 （D） $2,475 （E） $2,495
Correct Answer: D
If f(x) = 2x2 - 6x + 7, then f(-3) =?
（A）7 （B） 18 （C） 25 （D） 36 （E） 43
Correct Answer: E
More ACT Math Exam Questions
A ferry boat travels from a dock on the mainland toward an island, stops to discharge and load passengers, then returns to the mainland dock. Among the following graphs, which one best represents the relationship between the distance, in kilometers, of the ferry from the island and the time, in minutes, from when the ferry leaves the mainland dock until it returns?
Whenever x and y are both integers, what is (6.0 × 10x)(5.0y × 10y)expressed in scientific notation?
Susie has three T-shirts: one red, one blue, and one black. She also has three pairs of shorts: one red, one blue, and one black. How many different combinations are there for Susie to wear exactly one T-shirt and one pair of shorts?
In the figure below, C and D are both on the measure of BAC is equal to the measure of DAE and the measure of ACD is equal to the measure of ADC. Which of the following statements must be true?
(Note: The symbol ≅ means "is congruent to.")
- 5For which values of x will 3(x + 4) ≥ 9(4 + x)?