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Sporting Futures USA | SAT Prep | Math 1.2
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Perguntas do quiz (20)
1If (a, b) is the midpoint of (3, 3) and (-3, 9), then what is the value of a + b?
- A9
- B3
- C0
- D6
- E12
28(t + 1) + a(t + 1) = ?
- A(8 + a)(t + 1)
- B(8)(t + 1)
- C8a
- D8at
- E(8)(at + 1)
3The graphs of f(x) = x2 and g(x) = x meet at point (a, b). If a > 0, what is the midpoint of (a, b) and (0, 0)?
- A(2, 2)
- B(0, 0)
- C(0.5, 0.5)
- D(0, 0.5)
- E(0.5, 0)
4If f(x) = 3x + 14/(x - 8), then f(2y) = ?
- A6xy + 14/(2xy - 8)
- B6xy + 7/(xy - 4)
- C6y - 7/(y + 4)
- D6x + 7/(x - 4)
- E6y + 7/(y - 4)
5(2 / 5) x (1 / 6) = ?
- A1/4
- B1/10
- C1/5
- D1/20
- E1/15
6A very rare music recording costs $45.99 at an online auction.
If Johnny saves $8.75 per week from his job, how long will it take him to save enough money to buy this recording?- A5 weeks
- B4 weeks
- C6 weeks
- D3 weeks
- E2 weeks
7If x - 1 = 2, then what is x2 - 2x + 1?
- A4
- B5
- C16
- D2
- E3
8If n is an odd number, and k is an even number, which of the following is even?
- An + 2
- Bk + 1
- Ckn
- Dn - 2
- Ek + 3
9Above is an isosceles triangle.
If angles a and c sum to 120°, then angle d measures how many degrees?
- A170
- B130
- C110
- D120
- E140
10Solve for x:
2 / (x + 2) = 6 / (x + 8)- A1
- B-3/2
- C-11
- D-3
- E0
11If BC is 4/3 times greater than AB, and the total surface area of ABCD is 48, then what is the length of AC divided by 2?
- A4
- B14
- C10
- D5
- E12
12x2 > 4
If x - 1 is a positive value, then which of the following is true?- Ax < 2
- Bx > 2 or x < -2
- Cx > 2
- Dx < -2
- E-2 < x < 2
13The volume of a cube is 1 cubic foot.
What is it's volume in inches?- A36 in3
- B1,728 in3
- C12 in3
- D64 in3
- E1,000 in3
14If 20 percent of r is 12, then what is r percent of 80?
- A60
- B48
- C16
- D36
- E24
15In the above trapezoid ABCD, AB is twice as long as CD, and BC = DA = 2.
If the perimeter of the trapezoid is 40, then what is the length of CD?
- A8
- B6
- C12
- D14
- E10
16Two triangles, ABC and DEF, are similar.
If angle B measures 90°, and angle C measures x degrees, then which of the following is the measure of angle D, in degrees?- A2x
- B90 + 2x
- Cx
- Dx - 90
- E90 - x
17The sum of 3 consecutive even numbers (greater than zero) is how much less than the sum of 3 consecutive odd numbers, where the least odd number is greater than the greatest even number?
- A15
- B14
- C16
- D12
- E17
18x > y
y > | x |
For which of the following (x, y) values is this true?- A(3, 2)
- B(-1, -2)
- C(0, 0)
- DNone of these
- E(-3, 2)
19If the area of the above triangle is 18, then what is the value of k?
- A1
- B2
- C6
- D4
- E5
20Solve for x:
(x + 3)(x - 2) = 14- Ax = 11, 14
- Bx = 4, -5
- Cx = 2, -3
- Dx = -4, -5
- Ex = -3, 2
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