How to add variables

Practice Questions

ISEE Middle Level Quantitative Reasoning › How to add variables

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1

is a positive integer.

Which is the greater quantity?

(A)

(B)

2

Which of the following is equivalent to ?

3

Which is the greater quantity?

(a)

(b) 18

4

Define an operation on the real numbers as follows:

For all real values of and ,

$a \bigstar b = ab-a+b$

is a positive number. Which is the greater quantity?

(a) $N \bigstar N$

(b) $(-N) \bigstar (-N)$

5

Which quantity is greater if $x\geq 3$ ?

$(a)\ x^2-6x+10$

$(b)\ 0$

6

is a positive integer.

Which is the greater quantity?

(A)

(B)

7

is a positive integer.

Which is the greater quantity?

(A)

(B)

8

is a positive integer.

Which is the greater quantity?

(A)

(B)

9

Which quantity is greater if ?

$(a)\ -x^2+2$

$(b)\ x^2+2$

10

Which quantity is greater if ?

$(b)\ x^3+2$

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