Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.15x2y2 + 22xy2 + 8y2
A. (3x + 4y)(5x + 2y)
B. y2(5x + 4)(3x + 2)
C. (5x + 4y)(3x + 2y)
D. y2(x + 4)(15x + 2)
Answer: B
You might also like to view...
Evaluate the expression.-
A. 0 B. 21.6 C. -21.6 D. 43.2
Solve the problem.An object is thrown upward from the top of a building with an initial velocity of 48 feet per second. Solve the equation
to find the time t (in seconds) at which the object hits the ground.
A. 160 sec B. -2 sec C. 2 sec D. 5 sec
Graph the complex number.6
A.
B.
C.
D.
Solve the problem.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. By using linear regression, the following function is obtained: where x is the number of hours spent in the lab and y is grade on the test. Use this function to predict the grade of a student who spends 13 hours in the lab. Number of hours spent in lab Grade (percent) 10 96 11 51 16 62 9 58 7 89 15 81 16 46 10 51
A. 64.4 B. 60.4 C. 75.6 D. 67.0