Determine whether the algebraic expression is a polynomial (Yes or No). If it is a polynomial, write the polynomial in standard form, determine the degree and state if it is a monomial, binomial, or trinomial. If it is a polynomial with more than 3 terms, identify the expression as a polynomial.-6pqr5 + 2p2r - 7q1/2r
A. yes; -6pqr5 + 2p2r - 7q1/2r; degree 10; trinomial
B. yes; -6pqr5 + 2p2r - 7q1/2r; degree 7; trinomial
C. yes; 6pqr5 + 2p2r + 7q1/2r; degree 6; binomial
D. no
Answer: D
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Find the product.(-8x - 7)2
A. 64x2 + 112x + 49 B. -8x2 + 112x + 49 C. 64x2 + 49 D. -8x2 + 49
Represent the linear system as an augmented matrix. 9x + 5y = 44 9y = -18
A. 
B. 
C. 
D. 
Solve the problem.A person drives 56t miles in t hours.(i) Evaluate 56t for t = 1, t = 2, t = 3, and t = 4. Describe the meaning of your results.(ii) Refer to your results to part (i) to determine at what speed the person is traveling.
A. (i) 112, 168, 224, 280; The person drives 112 miles in 1 hour, 168 miles in 2 hours, 224 miles in 3 hours, 280 miles in 4 hours. (ii) The person is driving 56 miles per hour. B. (i) 57, 58, 59, 60; The person drives 57 miles in 1 hour, 58 miles in 2 hours, 59 miles in 3 hours, 60 miles in 4 hours. (ii) The person is driving 57 miles per hour. C. (i) 56, 28.0, 18.7, 14.0; The person drives 56 miles in 1 hour, 28.0 miles in 2 hours, 18.7 miles in 3 hours, 14.0 miles in 4 hours. (ii) The person is driving 56 miles per hour. D. (i) 56, 112, 168, 224; The person drives 56 miles in 1 hour, 112 miles in 2 hours, 168 miles in 3 hours, 224 miles in 4 hours. (ii) The person is driving 56 miles per hour.
Graph the given function. Identify the vertex and the intercepts.y = x2 + 2x - 3
A. Vertex: (1, - 4)
x-intercepts: -1 and 3
y-intercept: -3
B. Vertex: (- 1, - 4)
x-intercepts: 3 and 1
y-intercept: -3
C. Vertex: (- 1, - 4)
x-intercepts: -3 and 1
y-intercept: -3
D. Vertex: (1, - 4)
x-intercepts: -1 and 3
y-intercept: 3