ACT-Math 無料問題集「ACT American College Testing: Math Section」

A circle has a circumference of 16π feet.
What is the radius of the circle, in feet?

Which of the following expressions, when evaluated, equals an irrational number?

Which of the following expressions is equivalent to x2/3?

In the following equation, what is the value of x?
1/2x + 4 = 3/4x - 5

What is the degree measure of the obtuse angle formed by the hands of a 12-hour clock that reads exactly one o'clock?

For -π/2 ≤ θ ≤ π/2, |sin θ | ≥ 1 is true for all and only the values of θ in which of the following sets?

If the expression

, then one possible value of x could be:

FILL BLANK
If a number is chosen at random from a set that contains only the whole number factors of 24, what is the probability that the number is either a multiple of four or a multiple of six?
正解:
5/8
Which of the following is the equation of a parabola whose vertex is at (5, -4)?

If q is decreased by p percent, then the value of q is now:

The 35-member History Club is meeting to choose a student government representative. The members decide that the representative, who will be chosen at random, CANNOT be any of the 3 officers of the club.
What is the probability that Hiroko, who is a member of the club but NOT an officer, will be chosen?

For what value of x is the equation 8/x = 6/12?

In the diagram above, lines EF and GH are parallel, and line AB is perpendicular to lines EF and GH.

What is the length of line AB?

The expression 4x 2 - 2x + 3 is equal to 3 when x = 0 and when x =

An empty crate weighs 8.16 kg and an orange weighs 220 g.
If Jon can lift 11,000 g, how many oranges can he pack in the crate before lifting it onto his truck?

In the diagram above, triangle ABC is a right triangle and the diameter of circle O is 2/3 the length of AB.

Which of the following is equal to the shaded area?

If x is more than one-third the value of y, which of the following expresses the value of y in terms of x?

Drag and drop

is equivalent to:

Based on the diagram above, which of the following is true?

If

, then when a = 8, b could be equal to:

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