# multiple choice

### Process of Elimination for Multiple Choice Math Questions

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Thread by: math_celebrity, Oct 20, 2021, 0 replies, in forum: Mental Models of Math

### What fraction lies exactly halfway between 2/3 and 3/4?

What fraction lies exactly halfway between 2/3 and 3/4? A) 3/5 B) 5/6 C) 7/12 D) 9/16 E) 17/24 Halfway means taking the average, which is...
Thread by: math_celebrity, Aug 29, 2019, 0 replies, in forum: Calculator Requests

### If a, b, and c are positive integers such that a^b = x and c^b = y, then xy = ?

If a, b, and c are positive integers such that a^b = x and c^b = y, then xy = ? A) ac^b B) ac^2b C) (ac)^b D) (ac)^2b E) (ac)^b^2 xy = a^b * c^b...
Thread by: math_celebrity, Aug 29, 2019, 0 replies, in forum: Calculator Requests

### If f(x) = (3x + 7)^2, then f(1) = ?

If f(x) = (3x + 7)^2, then f(1) = ? A) 10 B) 16 C) 58 D) 79 E) 100 f(1) = (3(1) + 7)^2 f(1) = (3 + 7)^2 f(1) = 10^2 f(1) = 100 - Choice E
Thread by: math_celebrity, Aug 29, 2019, 0 replies, in forum: Calculator Requests

### Given f = cd^3, f = 450, and d = 10, what is c?

Given f = cd^3, f = 450, and d = 10, what is c? A) 0.5 B) 4.5 C) 15 D) 45 E) 150 Plugging in our numbers, we get: c(10)^3 = 450 Since 10^3 =...
Thread by: math_celebrity, Aug 29, 2019, 0 replies, in forum: Calculator Requests

### On a particular road map, 1/2 inch represents 18 miles. About how many miles apart are 2 towns that

On a particular road map, 1/2 inch represents 18 miles. About how many miles apart are 2 towns that are 2 1/2 inches apart on this map? A) 18 B)...
Thread by: math_celebrity, Aug 29, 2019, 0 replies, in forum: Calculator Requests

### Which of the following is equivalent to the sum of the expression a^2 - 1 and a + 1?

Which of the following is equivalent to the sum of the expression a^2 - 1 and a + 1? A) a^2 + a B) a^3 - 1 C) 2a^2 D) a^3 a^2 - 1 + a + 1 The...
Thread by: math_celebrity, Aug 28, 2019, 0 replies, in forum: Calculator Requests

### If (a - b)/b = 3/7, which of the following must also be true?

If (a - b)/b = 3/7, which of the following must also be true? A) a/b = -4/7 B) a/b = 10/7 C) (a + b)/b = 10/7 D) (a - 2b)/b = -11/7 We can...
Thread by: math_celebrity, Aug 28, 2019, 0 replies, in forum: Calculator Requests

### If 3r = 18, what is the value of 6r + 3?

2 ways to do this: Method 1 If 3r = 18, what is the value of 6r + 3? A) 6 B) 27 C) 36 D) 39 If we type in the equation 3r = 18 into our search...
Thread by: math_celebrity, Aug 28, 2019, 0 replies, in forum: Calculator Requests

### If x = 2y/3 and y = 18, what is the value of 2x - 3?

If x = 2y/3 and y = 18, what is the value of 2x - 3? A) 21 B) 15 C) 12 D) 10 Substitute the values into the equation: 2(2y/3) - 3 <-- Given x...
Thread by: math_celebrity, Aug 27, 2019, 0 replies, in forum: Calculator Requests

### If 3(c + d) = 5, what is the value of c + d?

If 3(c + d) = 5, what is the value of c + d? A) 3/5 B) 5/3 C) 3 D) 5 Divide each side of the equation by 3 to isolate c + d 3(c + d)/3 = 5/3...
Thread by: math_celebrity, Aug 27, 2019, 0 replies, in forum: Calculator Requests

### The expression (5x - 2)/(x + 3) is equivalent to which of the following?

The expression (5x - 2)/(x + 3) is equivalent to which of the following? A) (5 - 2)/3 B) 5 - 2/3 C) 5 - (2/(x + 3)) D) 5 - (17/(x + 3)) Let's...
Thread by: math_celebrity, Aug 27, 2019, 0 replies, in forum: Calculator Requests