Algebraic Expressions

What are the terms in the following expressions?
15n - 4

• 15n, -4
• 15n, 4
• 15, -4
• n

25 less than a number (n)
Write your answer as an expression.

• n + 25
• 25 - n
• n - 25
• 25/n

What are the constants in the expression?
-4x + 6y - 2

• -4x, 6y, -2
• x, y
• 4x, 6y
• -2

What are the coefficients in the expression?
-4x + 6y - 2

• -4x, 6y, -2
• x, y
• 4x, 6y
• -4, 6

Simplify
(3x² +2x -1) - 2(x+4)

• 3x² - 9
• 3x² - 4x - 9
• 3x²+ 4x - 9
• 3x²+ 3x + 1

(4x³-5x²+3x)+(-2x³-x²+6x)

• 2x³-6x²-9x
• 2x³+6x²+9x
• -2x³-6x²+9x
• 2x³-6x²+9x

evaluate bc + 5a  
when  a = 3, b = 4, and c = -6

• 9
• 38
• -38
• -9

Sarah received RM55, for her birthday. She used some of that money to buy 3 shirts priced at m dollars each. How much money does Sarah have left?

Write your answer as an expression.

• 55 - 3m

• 3m + 55

• 55 + 3 + m

• 55m - 3

A large cheese pizza costs RM18. Each topping you add on costs RM1.50. How much would it cost to get a large cheese pizza with c toppings added?

Write your answer as an expression.

• c + 18

• 18 + 1.50

• 18 + 1.50c

• 1.50c - 18

A pizza delivery driver earns RM12 an hour and works h hours per day. He also spends RM 12 a day on gas. How much money will the driver earn in one day.

Write your answer as an expression.

• 12h-12

• 12 + h + 12

• 12/h - 12

• 12h + 12