DOUBLE BRACKETS Flashcards
(25 cards)
What is the process of removing brackets in an expression called?
Expanding
True or False: The expression 3(x + 4) can be expanded to 3x + 12.
True
Fill in the blank: To expand the expression 5(a + 2), you multiply 5 by _____ and 5 by _____
a, 2
What is the result of expanding the expression 2(x - 3)?
2x - 6
Which of the following is the correct expansion of 4(y + 5)? A) 4y + 20 B) 4y - 20 C) 4y + 5
A) 4y + 20
What does the term ‘like terms’ refer to?
Terms that have the same variable raised to the same power.
True or False: You can combine 3x and 4x into 7x.
True
Expand the expression 6(2x + 1).
12x + 6
What is the first step in simplifying the expression 3x + 5x?
Combine like terms.
Fill in the blank: The expression 7(x + 2) expands to _____
7x + 14
What is the result of simplifying 8y - 3y?
5y
True or False: The expression 2(3x + 4) can be simplified to 6x + 4.
False
Which of the following expressions is equal to 5(2x + 3)? A) 10x + 15 B) 5x + 15 C) 5x + 6
A) 10x + 15
Expand the expression 3(x - 5) + 2.
3x - 15 + 2
What is the result of simplifying the expression 4x + 2x - 3?
6x - 3
Fill in the blank: The expression 9(a + 1) expands to _____
9a + 9
What is the final simplified form of 2(x + 3) + 4x?
6x + 6
True or False: You can expand an expression without distributing the coefficient.
False
What do you get when you expand 5(2x - 1)?
10x - 5
Which operation is used to combine like terms?
Addition or subtraction
Expand the expression -2(x + 4).
-2x - 8
Fill in the blank: The expression 10(2y - 3) expands to _____
20y - 30
True or False: The expression 4(x + 2) + 3(x - 1) can be combined into a single expression.
True
What is the simplified form of 5y - 2y + 3?
3y + 3
