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What is the value of -4x + x² when x is -5?CorrectIncorrect
Ms. Yen is interested in what percent of her algebra students try the extra credit problems she gives on tests. After one test, she found that 14 students tried the extra credit problem out of 21 students total. What percent of her students tried the extra credit?CorrectIncorrect
What is the solution of 5x + 7 = 2(x – 7)?CorrectIncorrect
If the length of a rectangle is halved while its width remains the same, then its area:CorrectIncorrect
Which of the following operations will produce the largest result when substituted for the blank in the expression: -4 ____ 1/5CorrectIncorrect
One tractor is 4 meters west and 10 meters south of the barn, while another tractor is 3 meters east and 7 meters north of the same barn. Approximately how many meters separate the two tractors?CorrectIncorrect
[No Calculator] A function f satisfies f(3) = 2 and f(2) = 6. A function g satisfies g(2) = 4 and g(3) = 9. What is the value of g(f(3))?CorrectIncorrect
d = -4.9s2 + 30s.
The equation above expresses the approximate distance from the ground, d, in meters, of a ball s seconds after it is launched vertically from the ground with an initial velocity of 30 meters per second. After approximately how many seconds will the ball hit the ground?CorrectIncorrect