Podcast
Questions and Answers
What is the value of $(-4ab)^2$?
What is the value of $(-4ab)^2$?
- $-16a^2b^2$
- $-8ab$
- $8ab$
- $16a^2b^2$ (correct)
If $(x-3)^2 = 25$, what are the possible values of $x$?
If $(x-3)^2 = 25$, what are the possible values of $x$?
- $x=8$
- $x=-5$
- $x=5$ (correct)
- $x=-2$
Expand $(2y+3)^2$.
Expand $(2y+3)^2$.
- $4y^2 - 12y + 9$
- $4y^2 + 6y + 9$
- $4y^2 - 6y + 9$
- $4y^2 + 12y + 9$ (correct)
Simplify $(a+2b)^2 - (a-2b)^2$.
Simplify $(a+2b)^2 - (a-2b)^2$.
What is the value of $(4c-3)^2$ when $c=2$?
What is the value of $(4c-3)^2$ when $c=2$?
Which type of identities form the basis of algebra?
Which type of identities form the basis of algebra?
What are trigonometric identities distinct from?
What are trigonometric identities distinct from?
What is the formal symbol for indicating identities?
What is the formal symbol for indicating identities?
Which type of identities involve certain functions of one or more angles?
Which type of identities involve certain functions of one or more angles?
What is an identity in mathematics?
What is an identity in mathematics?
Flashcards
What is $(-4ab)^2$?
What is $(-4ab)^2$?
Equals $16a^2b^2$. Squaring a term means multiplying it by itself.
If $(x-3)^2 = 25$, what is x?
If $(x-3)^2 = 25$, what is x?
The possible values of x are 8 and -2.
Expand $(2y+3)^2$.
Expand $(2y+3)^2$.
Expanding $(2y+3)^2$ gives $4y^2 + 12y + 9$.
Simplify $(a+2b)^2 - (a-2b)^2$.
Simplify $(a+2b)^2 - (a-2b)^2$.
Signup and view all the flashcards
Value of $(4c-3)^2$ when $c=2$?
Value of $(4c-3)^2$ when $c=2$?
Signup and view all the flashcards
Basis of algebra?
Basis of algebra?
Signup and view all the flashcards
Distinct from?
Distinct from?
Signup and view all the flashcards
Symbol for identity?
Symbol for identity?
Signup and view all the flashcards
Type of identities?
Type of identities?
Signup and view all the flashcards
Identity?
Identity?
Signup and view all the flashcards
