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Algebraic Identities Quiz

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Questions and Answers

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 $x$?

$x=8$

$x=-5$

$x=5$ (correct)

$x=-2$

Expand $(2y+3)^2$.

$4y^2 - 12y + 9$

$4y^2 + 6y + 9$

$4y^2 - 6y + 9$

$4y^2 + 12y + 9$ (correct)

Simplify $(a+2b)^2 - (a-2b)^2$.

$8a^2 - 8b^2$ Signup and view all the answers

What is the value of $(4c-3)^2$ when $c=2$?

$9$ Signup and view all the answers

Which type of identities form the basis of algebra?

Algebraic identities Signup and view all the answers

What are trigonometric identities distinct from?

Triangle identities Signup and view all the answers

What is the formal symbol for indicating identities?

$=$ Signup and view all the answers

Which type of identities involve certain functions of one or more angles?

Trigonometric identities Signup and view all the answers

What is an identity in mathematics?

An equation relating two mathematical expressions producing the same value for all values of the variables within a certain range of validity Signup and view all the answers