Determine whether the points A, B, and C form a right triangle.A = (1, -5); B = (7, -3); C = (13, -10)
A. Yes
B. No
Answer: B
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Evaluate the expression, given x = -2, y = 3, and a = -4.(3 + x)(-9 + y)(-8 - a)
A. 72 B. 360 C. 24 D. -24
Find the indicated matrix.Let A = [-3 2] and B = [1 0]. Find 2A + 3B.
A. [-5 4] B. [-6 4] C. [-3 4] D. [0 2]
In 1996, the population of a country was estimated at 4 million. For any subsequent year the population P(t) in million is 
, where t is the number of years since 1996. Use a graphing calculator to estimate the population in 2005. Round your answer to the nearest thousand.
a. 4,743,000 b. 4,699,000 c. 4,655,000 d. 4,833,000
Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex: (1, 1) passing through: (0, 3)
A. y = 2x2 - 4x + 3 B. y = -4x + 3 C. y = 2x2 - 1x + 1 D. y = -2x2 - 4x + 1