اختبار اختيار من متعدد تفاعلي: Math Final Mock Exam - G8 ADV

A

$(x,y) \to (x+2,y+3); Q'(0, 5), R'(-1, -1), S'(3, 1)$

B

$(x,y) \to (x-2,y+3); Q'(-4, 5), R'(-5, -1), S'(-1, 1)$

C

$(x,y) \to (x-2,y-3); Q'(-4, -1), R'(-5, -7), S'(-1, -5)$

D

$(x,y) \to (x+3,y-2); Q'(1, 0), R'(0, -6), S'(4, -4)$

A

$A'(1, -2), B'(2, -4), C'(4, -1)$

B

$A'(-1, 2), B'(-2, 4), C'(-4, 1)$

C

$A'(1, 2), B'(2, 4), C'(4, 1)$

D

$A'(-1, -2), B'(-2, -4), C'(-4, -1)$

A

Reflection across the y-axis

B

Reflection across the x-axis

C

Translation 2 units down

D

Rotation $180^\circ$ about the origin

A

الشكل A

B

الشكل B

C

الشكل C

D

الشكل D

A

(-2, -1)

B

(2, 1)

C

(-1, 2)

D

(2, -1)

A

$(x,y) \to (4x, 4y)$

B

$(x,y) \to (\frac{1}{2}x, \frac{1}{2}y)$

C

$(x,y) \to (\frac{1}{4}x, \frac{1}{4}y)$

D

$(x,y) \to (\frac{1}{3}x, \frac{1}{3}y)$

A

Dilation about vertex R

B

Vertical translation

C

Reflection across a horizontal line

D

Rotation about vertex Q

A

$\angle K \cong \angle P, \angle M \cong \angle Q, \angle R \cong \angle L$

B

$\angle K \cong \angle Q, \angle M \cong \angle L, \angle R \cong \angle P$

C

$\angle K \cong \angle L, \angle M \cong \angle P, \angle R \cong \angle Q$

D

$\angle K \cong \angle R, \angle M \cong \angle Q, \angle P \cong \angle L$

A

45 ft

B

90 ft

C

180 ft

D

360 ft

A

Dilate by 1/4 about the origin, then rotate $90^\circ$ clockwise.

B

Dilate by 1/4 about the origin, then translate right 4 units.

C

Dilate by 1/4 about the origin, then rotate $180^\circ$.

D

Dilate by 1/2 about the origin, then rotate $180^\circ$.

A

Dilate by 2, then rotate $90^\circ$ counterclockwise.

B

Dilate by 2, then rotate $90^\circ$ clockwise.

C

Dilate by 1/2, then rotate $90^\circ$ counterclockwise.

D

Reflect across the y-axis, then dilate by 2.

A

Similar; \(ABCD \sim EFHG\)

B

Similar; \(ABCD \sim EFGH\)

C

Similar; \(ABCD \sim FEHG\)

D

Not similar.

A

18.6 m

B

21.4 m

C

23.8 m

D

25.7 m

A

$120 \pi$

B

$150 \pi$

C

$180 \pi$

D

$300 \pi$

A

$9 \frac{1}{3} \pi \text{ ft}^3$

B

$14 \pi \text{ ft}^3$

C

$28 \pi \text{ ft}^3$

D

$56 \pi \text{ ft}^3$

A

529.9 ft³

B

729.9 ft³

C

629.9 ft³

D

829.9 ft³

A

$81 \pi \text{ in}^3$

B

$121.5 \pi \text{ in}^3$

C

$243 \pi \text{ in}^3$

D

$364.5 \pi \text{ in}^3$

A

1,998.9 cm³

B

2,098.9 cm³

C

2,198.9 cm³

D

2,298.9 cm³

A

Graph A

B

Graph B

C

Graph C

D

Graph D

A

There is a positive, linear association. There are no clusters or outliers.

B

The scatter plot shows no association.

C

There is a negative, linear association.

D

There is a positive, linear association.

A

6.5

B

7.0

C

8.5

D

7.5

A

y = 0.8x + 90

B

y = -0.8x + 90

C

y = 1.25x + 90

D

y = -1.25x + 90

A

About 11

B

About 14

C

About 17

D

About 20

A

Male: Bus = 0.44, No Bus = 0.56; Female: Bus = 0.33, No Bus = 0.67. Female students are more likely not to ride the bus.

B

Male: Bus = 0.56, No Bus = 0.44; Female: Bus = 0.67, No Bus = 0.33. Male students are more likely not to ride the bus.

C

Male: Bus = 0.56, No Bus = 0.44; Female: Bus = 0.67, No Bus = 0.33. Female students are more likely not to ride the bus.

D

Male: Bus = 0.67, No Bus = 0.33; Female: Bus = 0.56, No Bus = 0.44. Both groups are equally likely not to ride the bus.

A

More than half of the students are not enrolled in French or Spanish.

B

Students enrolled in Spanish are likely to be enrolled in French.

C

More than half of the students are enrolled in French.

D

Students are more likely to be enrolled in Spanish than not in Spanish.