Solve the system of equations using substitution.
A. x = 1, y = 4; x = 4, y = 19
or (1, 4), (4, 19)
B. x = 2, y = -1; x = -2, y = -1
or (2, -1), (-2, -1)
C. x = 2, y = -1; x = 1, y = 2; x = -1, y = 2; x = -2, y = -1
or (2, -1), (1, 2), (-1, 2), (-2, -1)
D. x = 1, y = 2; x = -1, y = 2
or (1, 2), (-1, 2)
Answer: C
You might also like to view...
Solve the problem.A spring on a horizontal surface can be stretched and held 0.5 m from its equilibrium position with a force of 40 N. How much work is done in stretching the spring 2 m from its equilibrium position?
A. 40 J B. 160 J C. 80 J D. 320 J
Use the graph of y = P(x) to do the following: (i) Find the x-intercepts; (ii) Solve the equation P(x) = 0; (iii) Find the zeros of P(x).
A. (i) -4, 1; (ii) -4, 1; (iii) -4, 1 B. (i) 1, 4; (ii) 1, 4; (iii) 1, 4 C. (i) -1, 4; (ii) -4, 1; (iii) -4, 1 D. (i) -4, -1; (ii) -4, -1; (iii) -4, -1
Use the prime factorization method to find the LCM of the given numbers.24, 18, and 52
A. 936 B. 468 C. 1248 D. 312
Simplify.
A. undefined
B. 0
C. 
D. 50