Three mark exercise problems VIII — task. Mathematics State Board, Class 7.

PDF chapter test TRY NOW

Simplify and find the degree of the following expressions.

(i)

$10x^2 - 3xy + 9y^2 - (3x^2 - 6xy - 3y^2)$

Answer:

Expression

$=$

Degree

$=$

(ii)

$9a^4 - 6a^3 - 6a^4 - 3a^2 + 7a^3 + 5a^2$

Answer:

Expression

$=$

Degree

$=$

Answer variants:

$3a^4 - a^3 + 2a^2$

$2$

$5$

$1$

$4$

$7x^2 - 3xy + 12y^2$

$3a^4 + a^3 + 2a^2$

$3$

$7x^2 + 3xy - 12y^2$

$7x^2 + 3xy + 12y^2$

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content