Free Printable AB Initio A

1.

If the area of a pentagon with apothem 2 cm is 10 $cm^2$ , what is the value of its perimeter?

a)

20 cm

b)

10 cm

c)

5 cm

d)

It is not possible to calculate.

2.

22052023,78 rounded to hundreds is:

a)

22052000

b)

22052024

c)

220520

d)

22052023

3.

$\frac{10}{4}-\frac{1}{3}+\frac{5}{6}\times2$

a)

$\frac{23}{6}$

b)

6

c)

4

d)

$\frac{19}{7}$

4.

A rectangular prism has a base with an area of 13 m2 and a height of 3 m. Its volume is:

a)

39 $m^3$

b)

13 $m^3$

c)

19,5 $m^3$

d)

20 $m^3$

5.

The equation $y=x^2+3$ written with x as the subject is:

a)

$x=y^2-3$

b)

$x=\sqrt[]{y-3}$

c)

$x=\sqrt[]{y}-3$

d)

$x=y^2+3$

6.

The average and the median of 2 3 5 9 7 8 4 are:

a)

5,4 e 9

b)

5,5 e 5

c)

5,4 e 5

d)

5,5 e 9

7.

$\frac{7}{4}<2\frac{3}{4}$

a)

Verdadeiro

b)

Falso

8.

Which of these fractions are identical (choose more than 2 if applicable)?

a)

3/10

b)

6/20

c)

6/15

d)

30/100

e)

6/150

9.

What is the value of this operation?

$12,1\ +\ 0,43\ +\ 1,05$

(a)

10.

Solid S was obtained from a cube from which a cilinder-shaped hole was dug. What is the approximated volume of S in dm3 (consider $\pi=3,14$ )?

a)

0,141

b)

140,6

c)

36

d)

85,59

11.

Simplify the expression:

$3\left(x-1\right)x+\left(-x+2\right)-4\left(x^2-1\right)$ .

a)

$-4x^2+2x+5$

b)

$-4x^2+x-2$

c)

$-x^2-4x+6$

d)

$-4x^2-x-3$

12.

Which of these graphs represents a quadratic function?

a)

b)

c)

d)

13.

Consider the function $f\left(x\right)=3x-1$ .

What is the value of the slope (m) and y-intercept (b) ?

a)

m = -1

b = 3

b)

m = 3

b = -1

c)

m = 1/3

b = -1

d)

m = 3

b = 1

14.

What is the expression of a linear function that passes points (-2,0) and (0,3)?

a)

$f\left(x\right)=1,5x+3$

b)

$f\left(x\right)=-1,5x+3$

c)

$f\left(x\right)=\frac{2}{3}x-2$

d)

$f\left(x\right)=3x-2$

15.

What is the expression of this graph?

a)

$f\left(x\right)=-2x+1$

b)

$f\left(x\right)=2x-1$

c)

$f\left(x\right)=-2x-1$

d)

$f\left(x\right)=2x+1$

16.

For x = 3, what is the value of this expression?

$\frac{9x-2}{-2x^2+1}$ ?

a)

$\frac{5}{4}$

b)

$\frac{25}{37}$

c)

$-\frac{25}{17}$

d)

$\frac{25}{17}$

17.

What is the value of $f\left(-1\right)$ if $f\left(x\right)=3x^2-1$ ?

a)

2

b)

-4

c)

8

d)

-10

AB Initio A - Math

Total questions: 17

Worksheet time: 1hrs 25mins

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