Accel - Midterm Practice Test

Classify this polynomial by its degree and number of terms:  x² + 2x + 6

• Linear polynomial
• Quadratic trinomial
• Quadratic binomial
• Cubic trinomial

The following polynomial is written in standard form:

x² - 10x+ 8x - 5

• True

• False

(5x⁴ - 4x³ - 2x² + x - 19) - (x⁴ + 5x³ + 8x² + x + 5)

• 4x⁴ - 9x³ - 10x² - 24
• 4x⁴ - 9x³ - 10x² - 2x - 24
• 4x⁴ - 9x³ - 10x² + 2x - 24
• -4x⁴ - 9x³ - 10x² - 24

(5x+2)(x²-3x+6)

• 5x³ - 17x² +24x +12
• 5x³ + 17x² - 24x +12
• 5x³ - 13x² + 24x +12
• 5x³ +13x² - 24x - 12

Multiply
(4x+3)(2x-1)

• 8x²-2x-3
• 8x-3
• 8x²+6x-3
• 8x²+2x-3

Multiply:
(3a + 4)²

• 6a²+12a+16
• 9a²+24a+16
• 9a²+12a+16
• 9a²+16

Simplify 
3√18 - 2√2

• 7√2
• √16
• √2
• Already simplified 

Simplify 
9√2 + 12√3

• 21√5
• 21√2
• 21√3
• Already simplified 

Rationalize the denominator:
 $\frac{\sqrt{5}}{2\sqrt{3}}$  

•  $\frac{\sqrt{15}}{6}$  

•  $\frac{\sqrt{15}}{18}$  

•  $\frac{5\sqrt{3}}{6}$  

•  $\frac{5\sqrt{3}}{18}$  

Simplify

√45n³

• 3n√5n
• 4n√8
• 4n√-8
• 10√n