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If x = -2, then 12 – 2(x + 1) = ?CorrectIncorrect
Which of the following is a factored form of 4x²y + 4xy²CorrectIncorrect
In the right triangle below, how long is side AB?CorrectIncorrect
A square room is expanded by increasing the length by 1 meter and increasing the width by 3 meters. If each side of the original room is x meters long, what is the area of the expanded room, in square meters?CorrectIncorrect
The equation of x² – 12x + k = 0 has only one solution for x. What is the value of k?CorrectIncorrect
What is the smallest positive value for x where the graph of y = sin(x/2) reaches its maximum?CorrectIncorrect
Tickets for the town play cost 5 dollars, but if you are a senior citizen, you can get a 3 dollar discount. If Jose is buying tickets for the nursing home he works for, and buys a ticket for himself and another supervisor, how many senior citizen tickets could Jose have possibly bought it he spent less than 25 dollars and more than 18?CorrectIncorrect
In the system of equations below, c is a constant and x and y are variables. For what value of c will the system of equations have no solution?
cx – 2y = 5
6x – 7y = 8CorrectIncorrect