Mathematics 7 Summative Test

Which is a variable used to represent a number and can be raised to a power?

• term

• exponent

• literal coefficient

• numerical coefficient

Which is a variable, or a signed number multiplied to a variable or a constant and each term is separated by a plus or minus sign?

• term

• exponent

• literal coefficient

• numerical coefficient

Which among is NOT a polynomial?

• -2x

• ax

• a12

• 18

What does it mean by 35?

• 333

• 555

• 33333

• 55555

What is or are the literal coefficient in the expression 3a-2-4b+1?

• b

• a and b

• a-2, b, b0

• 3, -4, 1

Yuna wants to translate the English phrase to mathematical phrase, which of the following is the translation of five times the difference of eight and a number?

• 5 - 8n

• 5(8 - n)

• 5(-8n)

• 5(n + 8)

One day morning, Philip picked a piece of paper containing these expressions, 4abc-3a2b7c5- 13a2bc2+2abc2, he wants to find out which among the terms has the highest degree?

• 4abc

• -3a2b7c5

• 13a2bc2

• 2abc2

What word phrase can you use to represent the expression "4-a2"?

• 4 less twice a number

• twice a number less 4

• 4 less than the square of a number

• The square of a number less than 4.

Using the variables x and y, which of the following expression is the translation for the statement, "The square of a number increased by the square of a second numbers"?

• x2+y2=xy

• x2-y2=xy

• x2+y2=x2y2

• x2-y2=x2y2

What is the degree of the polynomial 𝑥7 + 3𝑥5𝑦4 − 3𝑥2𝑦 + 3𝑥2?

• 2

• 7

• 8

• 9