Solve the system using Gauss-Jordan elimination.
a. w = 8 + z, x = -z, y = -8 -z, z
b. w = -8 + z, x = -z, y = -8 - z, z
c. w = 8 + z, x = -z, y = -8 + z, z
d. w = 8 - z, x = -z, y = -8 -z, z
e. w = 8 + z, x = -z, y = 8 -z, z
a. w = 8 + z, x = -z, y = -8 -z, z
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Compute the gradient of the function at the given point.
A. ?f = 4,782,969i + 1,062,882j + 4,782,969k B. ?f = 4,782,969i + 1,594,323j + 3,188,646k C. ?f = 1,594,323i + 1,594,323j + 354,294k D. ?f = 1,594,323i + 1,062,882j + 531,441k
Find the product.-3x5(11x4 + 8x3)
A. -57x9 - 57x8 B. -33x9 - 24x8 C. -33x9 + 8x3 D. -57x5
Complete.50 m = 
cm
A. 500 B. 0.5 C. 5.0 D. 5000
Determine whether the graph of f opens upward or downward and whether the graph is wider, narrower, or the same as the graph of 
Find the axis of symmetry and the vertex. Find the y-intercept and any x-intercepts. Sketch a graph of f.f(x) = x2 - 4x - 5
What will be an ideal response?