Interactive multiple-choice quiz: أسئلة وفق الهيكل

A

f(x) = x² - 2x - 4

B

f(x) = x² + 2x - 4

C

f(x) = -x² + 2x - 4

D

f(x) = x² - 2x + 4

A

(3x + 2)(x - 4)

B

(3x - 2)(x + 4)

C

(3x - 4)(x + 2)

D

(3x + 4)(x - 2)

A

x = 5 , x = -8

B

x = -5 , x = 8

C

x = -5 , x = -8

D

x = 5 , x = 8

A

c = 169 , (x + 13)²

B

c = 13 , (x + 13)²

C

c = 676 , (x + 26)²

D

c = 169 , (x - 13)²

A

$x = 4 \pm \sqrt{19}$

B

$x = -4 \pm \sqrt{13}$

C

$x = -8 \pm \sqrt{19}$

D

$x = -4 \pm \sqrt{19}$

A

D = -7; two real roots

B

D = 57; two real, irrational roots

C

D = -7; no real roots

D

D = 7; no real roots

A

y < -x² - 2x + 2

B

$y \ge -x^2 - 2x + 2$

C

$y \le -x^2 + 2x + 2$

D

$y \le -x^2 - 2x + 2$

A

-13

B

-33

C

-17

D

-49

A

$x \to -\infty , f(x) \to \infty; x \to \infty , f(x) \to \infty$

B

$x \to -\infty , f(x) \to -\infty; x \to \infty , f(x) \to -\infty$

C

$x \to -\infty , f(x) \to \infty; x \to \infty , f(x) \to -\infty$

D

$x \to -\infty , f(x) \to -\infty; x \to \infty , f(x) \to \infty$

A

0 and 1

B

2 and 3

C

1 and 2

D

-1 and 0

A

-22 at x = 3

B

10 at x = 3

C

-22 at x = -1

D

10 at x = -1

A

$x^2 + 7x + 5 - \frac{4}{x - 1}$

B

$x^2 + 7x + 5 + \frac{4}{x - 1}$

C

$x^2 + 5x + 3 - \frac{6}{x - 1}$

D

$x^2 + 7x + 5 - \frac{4}{x + 1}$

A

3

B

-5

C

11

D

-3

A

$\{-3, 3, 4\}$

B

$\{-4, 3\}$

C

$\{-9, -4, 4\}$

D

$\{-4, -3, 3\}$

A

f(x) = 2^x-1 + 1

B

f(x) = 2^x+1 - 1

C

f(x) = 2^x+1 + 1

D

f(x) = 3(2)^x

A

V(t) = 18000(1.12)^t

B

V(t) = 18000(0.12)^t

C

V(t) = 18000 - 0.12t

D

V(t) = 18000(0.88)^t

A

Experiment

B

Survey

C

Observational study

D

Census

A

Unbiased

B

Biased: limited choices

C

Biased: leading question

D

Biased: two questions in one

A

34%

B

68%

C

47.5%

D

49.85%