Basic Algebra

^{Which of the following is a linear algebraic expression?}

• 2x + 3

• 3 − x²

• 2x + 3 = 10

• 3 − x² = 7

Which of the following is an linear algebraic equation?

• 2x + 3

• 3 − x²

• 2x + 3 = 10

• 3 − x² = 7

How many terms are there in the expression 3x + y - 8z − 2 ?

• 3

• 4

• 8

• 9

What is the coefficient of x in the expression 3x + y - 8z − 2 ?

• 3

• −3

• 3x

• −3x

What is the coefficient of z in the expression 3x + y - 8z − 2 ?

• 8

• −8

• 8z

• −8z

What is the constant in the expression 3x + y - 8z − 2 ?

• y

• 2

• −2

• none of the above

What does Factorise mean?

• To make it as simple as possible

• To expand and multiply (remove brackets)

• To put them into factors by taking out common factors (put brackets)

• To find the value of the unknown

What does Solve mean?

• To make it as simple as possible

• To expand and multiply (remove brackets)

• To put them into factors by taking out common factors (put brackets)

• To find the value of the unknown

What does Simplify mean?

• To make it as simple as possible

• To expand and multiply (remove brackets)

• To put them into factors by taking out common factors (put brackets)

• To find the value of the unknown

What does Expand mean?

• To make it as simple as possible

• To expand and multiply (remove brackets)

• To put them into factors by taking out common factors (put brackets)

• To find the value of the unknown