Write the equation of the line whose graph is shown.
A. y = - x - 5
B. y = x + 5
C. y = x - 5
D. y = - x + 5
Answer: D
Mathematics
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Factor.40x3y + 25xy4
A. 5x(8x2y + 5y4) B. xy(40x2 + 25y3) C. 5xy(8x2 + 5y3) D. 5y(8x3 + 5xy3)
Mathematics
Solve. Round the answer to the nearest whole number.Suppose a city with population of 170,000 has been decreasing at a rate of 2% per year. If this rate continues, predict the population of the city in 10 years.
A. 125,362 B. 207,229 C. 153,745 D. 138,902
Mathematics
Factor the polynomial by substitution.60z8 + 8z5 - 32z2
A. 4z2(5z3 - 4)(3z3 + 2) B. 4(3z6 - 2)(5z2 + 4) C. (3z4 + 3)(5z4 + 4) D. 4z2(3z3 - 2)(5z3 + 4)
Mathematics
Write the first four terms of the sequence.an = (-1)n-1(4n - 5)
A. -1, 3, 7, 11 B. 1, 3, -7, -11 C. -1, -13, 7, -11 D. -1, -3, 7, -11
Mathematics