ACT- Math 1

Simplify this polynomial:

n - 10 + 9n - 3

• -3

• n

• 9n-3

• 10n-13

 Simplify by combining like terms: 4x² - 3x + 11 -2x

answer choices

• 4x² - 5x + 11

• 11x + 11

• 16x² - 5x + 11

• 10x²

Simplify this polynomial:

3x² - x + 2 - 5x² + 8x - 5

answer choices

• 8x² + 9x + 7

• -2x² + 7x - 3

• 2x² + 7x - 3

• 5x² - 3

Classify by number of terms:

3x³ – 6x

answer choices

• Monomial

• Binomial

• Trinomial

Simplify: 3x³(2x² + 9x + 6)

answer choices

• 6x⁵ + 27x⁴ + 18x

• 6x⁵ + 18x² + 9

• 6x⁵ + 27x⁴ + 18x³

   

• 6x⁵ + 45x³ 

 Classify this polynomial by its degree and number of terms:  x² + 6

answer choices

• Linear polynomial

• Quadratic trinomial

• Quadratic binomial

• Cubic binomial

Find the difference.  (3- 2x + 2x²) - (4x -5 +3x²)

answer choices

• x_² + 6x + 8

• 2x² + 5x - 7

• -x² -6x + 8

• -2x² + 11x - 4

 

The measure of two side of a triangle is x²+ 2x. If the perimeter is 4x²+ x, what is the measure of the third side?

answer choices

• 3x² - x

• 4x² + 2x

• 3x² + 3x

• 3x² + 2x

Write x³ + 9x² + 18x in factored form

answer choices

• x(x + 6)(x + 3)

• x(x + 9)(x + 2)

• x(x + 6)

• x(x - 6)(x - 3)

Simplify the expression. (4n⁴-8n+4) - (8n²+4n⁴+1)

answer choices

• -8n² - 8n + 3 

• -7n² - 8n + 3 

• -6n² - 8n + 3

• -7n² - 4n + 3