Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = x2(x - 4)(x - 1)
A. 0, crosses the x-axis;
4, touches the x-axis and turns around;
1, touches the x-axis and turns around
B. 0, crosses the x-axis;
4, crosses the x-axis;
1, crosses the x-axis
C. 0, touches the x-axis and turns around;
4, crosses the x-axis;
1, crosses the x-axis
D. 0, touches the x-axis and turns around;
-4, crosses the x-axis;
-1, crosses the x-axis
Answer: C
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Solve the problem.How close does the curve y = come to the point
? (Hint: If you minimize the square of the distance, you can avoid square roots.)
A. The distance is minimized when x = ; the minimum distance is
units.
B. The distance is minimized when x = ; the minimum distance is
units.
C. The distance is minimized when x = - ; the minimum distance is
units.
D. The distance is minimized when x = ; the minimum distance is
units.
For the following, write an equivalent numeral in the Hindu-Arabic system.MCMLXVI
A. 2146 B. 1966 C. 1946 D. 2166
Use both properties of equality to solve the equation.-32 = 5x + 3
A. -40 B. -7 C. 9 D. -36
Write the ratio in three different ways.the ratio of 0.2 to 50
A. 0.2 to 50, 0.2:50,
B. 0.2 to 50, 0.2;50,
C. 50 to 0.2, 50:0.2,
D. 0.2 of 50, 0.2;50,