Algebraic Expressions and Calculations

These flashcards cover key algebraic expressions, formulas, and calculations discussed in the lecture notes.

What is the algebraic expression for 'The product of p and q is greater than r'?

pq > r

What equation represents 'If a is divided by b, the result is c'?

a / b = c

How do you express 'The difference between x and y is 5 (where x is bigger than y)' in an equation?

x - y = 5

What is the algebraic expression for 'The difference between p and q is 10 (where q is bigger than p)'?

q - p = 10

What formula represents 'The sum of a and b, divided by 2 is equal to 8'?

(a + b) / 2 = 8

What is the formula for the perimeter of a square?

P = 4s

If s = 12 cm, what is the perimeter of the square?

P = 48 cm

What is the formula for the area of a square?

A = s x s

If s = 9 cm, what is the area of the square?

A = 81 cm²

What is the formula for the volume of a rectangular prism?

V = l x b x h

If l=9 cm, b=8 cm, and h=2 cm, what is the volume of the rectangular prism?

V = 144 cm³

What is the perimeter of a figure with the perimeter formula x + y for x=5cm and y=2cm?

Perimeter = 7 cm

If x = 2 and y = 3, what is the value of the expression 3.x?

6

If x = 2 and y = 3, what is the value of the expression xy?

6

If x = 2, what is the value of the expression 6.x?

12

If x = 2 and y = 3, what is the value of the expression 4x - y?

5

If x = 2 and y = 3, what is the value of y/x + y?

5

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

0

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

1