Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. 3x + y + z - 2w = 10 2x + 3y + 3z + w = -52x + y + 4z + 11w = 11
A. {(6, -4, -2, 1)}
B. {(2w + 3, 6w - 7, -10w + 8, w)}
C. {(7, -1, -6, 2)}
D. {(w + 5, 3w - 7, -4w + 2, w)}
Answer: D
You might also like to view...
Use the graph to estimate the specified limit.
f(x)
A. 
B. -3
C. - 
D. 
State whether the equation is the result of an identity, commutative, associative, or distributive property.5 + 0 = 5
A. Associative B. Identity C. Distributive D. Inverse
Collect like terms.4x - 2.7y - 0.5x + 5y
A. 4x - 0.5x - 2.7y + 5y B. 3.5x + 2.3y C. 3.5x - 2.7y + 5 D. 2.3x + 3.5y
Refer to the following recipe to first estimate the answer and then use multiplication or division to find the exact answer. Simplify. Old Grandma's Fork Cookies 1
cups brown sugar 1
cups white sugar 1
cups shortening 1 pinch salt 3 eggs 2
tsp soda 2
/> tsp cream of tartar 1
tsp vanillaCream sugars and shortening. Beat in remaining ingredients. Add flour to stiffen like regular cookie dough. Roll into balls, then flatten with a fork. Cook until brown.If the recipe is tripled, how much soda will be needed?
A. Estimate: 9 tsp
Exact: 7
tsp
B. Estimate: 9 tbsp
Exact: 7
tbsp
C. Estimate: 6 tsp
Exact: 6
tsp
D. Estimate: 7
tsp
Exact: 9 tsp