Free Printable chapter 6 north

1.

What's the meaning of "NUMERATER"?

a)

game equipment used in various card or board games

b)

the dividend of a fraction

c)

the simplest structural unit of an element or compound

d)

determine the number or amount of

2.

What's the meaning of"POLYNOMIAL"?

a)

switched reluctance motor

b)

your favourite food

c)

swich flow

d)

a mathematical function that is the sum of a number of terms

3.

What's the graph about $\frac{1}{x}$

a)

b)

c)

d)

4.

if Eason can finishing cooking in 30 minutes ,Jimmy is six times fast than Eason. How fast can this two guys work together?

a)

30/7min

b)

26/7min

c)

Jimmy will go to find Yuki

d)

30/9min

5.

A Citation CV jet travels 460 mph in still air and flies 525mi into the wind and 525 mi with the wind in a total of 2.3hr . Find the wind speed .

a)

4mph

b)

-40 mph and 40 mph

c)

-4pmh and 4mph

d)

40mph

6.

factor

\frac{2x^2+x\ -1}{6x^2-x-1}

a)

$\frac{x}{x+3}$

b)

$\frac{x+6}{4x+1}$

c)

$\frac{x+1}{3x+1}$

7.

$\frac{\frac{x^2-x-12}{x^2-2x-15}}{\frac{x^2+8x+12}{x^2-5x-14}}$

a)

$\frac{\left(x-4\right)\left(x+2\right)}{\left(x-5\right)\left(x+3\right)}$

b)

$\frac{\left(x-7\right)\left(x+3\right)}{\left(x+6\right)\left(x+2\right)}$

c)

$\frac{\left(x-4\right)\left(x+7\right)}{\left(x+5\right)\left(x+6\right)}$

d)

$\frac{\left(x-4\right)\left(x-7\right)}{\left(x-5\right)\left(x+6\right)}$

8.

When solving rational equations , why do we multiply each side by the LCM of the denominators

4 lines

9.

$\frac{t}{t-2}-\frac{3t}{t-2}=\frac{4}{t^2-4t+4}$

a)

2,- $\frac{7}{3}$

b)

-2, $\frac{3}{7}$

c)

-2, $\frac{7}{3}$

d)

2,- $\frac{3}{7}$

10.

plz find the derivative of $f\left(x\right)=\frac{1}{x}$ when x is equal to a(请找到当x=a时 $f\left(x\right)=\frac{1}{x}$ 的导数）

a)

$f'\left(a\right)=\frac{1}{a}$

b)

$f'\left(a\right)=\frac{1}{a^2}$

c)

$f'\left(a\right)=-\frac{1}{a^2}$

d)

$f'\left(a\right)=\frac{21a^3}{a^2+3a}$

e)

I quit.

chapter 6 north

Total questions: 10

Worksheet time: 18mins

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