Solve using Cramer's Rule.
A. (-1, -4,-2)
B. (1, -4, -2)
C. (1, 4, -2)
D. (-1, -4, 2)
Answer: B
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Write the phrase as a unit rate.110 presents for 11 children.__________ present(s) per child
Fill in the blank(s) with the appropriate word(s).
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) -2, 5; (ii) -2, 5; (iii) -2, 5 B. (i) 0, 10; (ii) 0, 3, 10; (iii) 0, 3, 10 C. (i) 0, 3; (ii) 0, 3; (iii) 0, 3 D. (i) -2, 5, 10; (ii) -2, 5; (iii) -2, 5, 10
Find the root. Assume that all variables represent positive numbers.
A. 6m3n5 B. 18m3n5 C. 18m4n8 D. 6m4n8
Solve each system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.x + 3y - 2z - w = 134x + y + z + 2w = 18-3x - y - 3z - 2w = -10 x - y - 3z -2w = 6
A. {(4 + w, 2 - 2w, -2 + 2w, w)} B. {(3, 4, -6, 3)} C. {(13, 18, -10, 6)} D. {(4, 2, -2, 1)}