Use the substitution method to solve the system.x - 4y = -15x - 3y = -5
A. (0, -1)
B. (1, -1)
C. No solution
D. (-1, 0)
Answer: D
Mathematics
You might also like to view...
Solve the problem.A heavy-duty shock absorber is compressed 4 cm from its equilibrium position by a mass of 300 kg. How much work is required to compress the shock absorber 7 cm from its equilibrium position? (A mass of 300 kg exerts a force (in N) of 300g, where g ? 9.8 m/s2.)
A. 18.375 J B. 1,837.5 J C. 180.075 J D. 18,007.5 J
Mathematics
Find the quadratic approximation of f at x = 0.f(x) = tan 8x
A. p2(x) = 1 + 8x2 B. p2(x) = 1 + 4x2 C. p2(x) = 1 - 4x2 D. p2(x) = 8x
Mathematics
Determine whether the relation is a function.
A. Function B. Not a function
Mathematics
Let f(x) = -5x – 7. Find f(x + p)
a. -5x + 5p +7 b. 5x – 5p - 7 c. -5x – 5p - 7 d. -5x + 5p - 7
Mathematics