Math SAT Test

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Problem #1
If the probability of selecting a red ball is 1/3, a blue one is 1/3, and a white ball is 1/3, what is the probability of selecting a red or white ball?

Problem #2
The ratio of the radius of a circle to the length of a square is 1:2. If the perimeter of the square is 16, what is the area of the circle?

Problem #3
Let |2m + 12|=n and |n - 3| = 3. What is the value of m?

Problem #4
If a segment with a slope of x, passes through points (x, 2) and (2, x). What is the value of x?

Problem #5
If ab=4 and b=-4, then what is the value of a/b?

Problem #6
If m1 is the slope of line 1 and m2 is the slope of line 2, which one is true?
If m<sub>1</sub> is the slope of line 1 and m<sub>2</sub> is the slope of line 2, which one is true?

Problem #7
If the average of a and b is equal to the average of b and c, what is the value of a - c?

Problem #8
If X is 8 years older than Y and the sum of their ages is equal to 30, what is the multiply of their ages?

Problem #9
What is the value of 1 + 2 + 4 + 8 + ... + 128 = ?

Problem #10
Let b < 0 < a. Select the correct statement?

Problem #11
What is the average of x2 + x + 1, -x + 1, and -x2 + 1?

Problem #12
If k ≥ 3, k is prime and m is even, which one is odd?

Problem #13
Find the value of f(-10) + f(0) + f(1), according to the diagram.
Find the value of <em>f(-10) + f(0) + f(1)</em>, according to the diagram.

Problem #14
If x + y + z = 4 and -y - z = 6, what is the value of x?

Problem #15
If 50% of 50% of x is equal to 30 percent of 30 percent of 900, what is the value of x?

Problem #16
What is the value of the arc AD?
What is the value of the arc <em>AD</em>?

Problem #17
If [tex]f(x)=x^2 - x + \sqrt{2}[/tex], what is the value of [tex]f(\sqrt{2})[/tex]?

Problem #18
If ab = c and a/b = d, what is the value of a in terms of c and d?

Problem #19
If f(x) = 3x2 + 2x + 5 and g(x)= x3 - x2 + x - 4, what is the value of f(0) - g(1)?

Problem #20
If c is the average of a and b, and also the average of b and –d is c, what's the average of a and d?




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