For problems 9-14 represent the system of equations with an augmented matrix. Solve the system by rewriting the matrix in reduced row echelon form.
A.
B.
C.
D. infinitely many solutions
E. no solution
Answer: B
Mathematics
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Multiply the binomials using FOIL.(9x2 + 4y2)(8x2 - y2)
A. 72x4 + 23x2y2 - 5y4 B. 72x4 + 32x2y2 - 4y4 C. 72x4 + 23x2y2 - 4y4 D. 72x4 - 4y4
Mathematics
Solve the problem.If an object is dropped, the distance it falls is given by d = gt2, where g is about 32 ft/sec2. Find the distance an object would fall in 8 seconds.
A. 128 ft B. 512 ft C. 2048 ft D. 1024 ft
Mathematics
Find the quotient and simplify. ÷
A. -
B. m2 - b2
C. m
D. m - b
Mathematics
Solve.The maximum distance d in kilometers that you can see from a height h in meters is given by the formula How far can you see from the top of a
building? (Round to the nearest tenth of a kilometer.)
A. 75.5 km B. 869.9 km C. 40.3 km D. 21.6 km
Mathematics