Write the system of linear equations represented by the augmented matrix. Then use back-substitution to solve. (Use variables x, y, and z.)
A. x = 35, y = -3, z = 1
B. x = 4, y = 1, z = 5
C. x = 1, y = -4, z = -5
D. x = 1, y = 4, z = 5
E. x = -4, y = 5, z = -1
Answer: D
Mathematics
You might also like to view...
Divide the rational expression. Express the quotient as a rational expression in lowest terms.
A. y - 9
B. 
C. 
D. 
Mathematics
Find the opposite of the integer.-24
A. -1 B. 24 C. 0 D. -24
Mathematics
Graph the polynomial function. Use synthetic division and the remainder theorem to find the zeros.f(x) = x4 + 4x3 - 2x2 - 12x + 9
A. 1 (multiplicity 2), -3, 3;
B. -1 (multiplicity 2), -3 (multiplicity 2);
C. -1, 1, -3 (multiplicity 2);
D. 1 (multiplicity 2), -3 (multiplicity 2);
Mathematics
Are the triangles similar or not similar?
?
What will be an ideal response?
Mathematics