Which property is represented?6 + (3 + 7) = (6 + 3) + 7
A. Associative Property of Addition
B. Commutative Property of Addition
C. Multiplication Identity
D. Addition Identity
Answer: A
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Write the complete binomial expansion.(4x2 + 3)3
A. (16x4 + 24x2 + 9)3 B. 256x8 + 64x6 + 144x4+ 108x2 + 27 C. 64x3 + 144x2+ 108x + 27 D. 64x6 + 144x4+ 108x2 + 27
Solve.x - y + z = -8x + y + z = 2x + y - z = 6
A. (-2, -1, 5) B. (-1, -2, 5) C. No solution D. (-1, 5, -2)
Find approximate solutions for the equation. Round to the nearest hundredth.-6.2x(x + 8.3) + 3.7 = 8.1 - 5.1x
A. -7.61, -0.081 B. -7.38, 0.10.02, 7.50 C. -14.76, -0.19 D. -7.38, -0.10
Solve the problem.Let x represent the number of gallons of gas sold at $2.40 per gallon, and let y represent the total cost of the gasoline (in dollars). Write an equation for this situation. Then give the ordered pair with an x-value of 13 associated with this equation.
A. x = 2.40y; (13, 5.42) B. y = 2.40 + x; (13, 15.40) C. x = 2.40 + y; (13, 10.60) D. y = 2.40x; (13, 31.20)