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Biblioteka

CAASPP Grade 8 Math

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Posljednje ažuriranje 8 months ago
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8.EE.1
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8.EE.8.c
Pitanje 1
1.

Enter the value of n for the equation

Pitanje 2
2.

The distance (d) in meters a car travels in t seconds is shown in the table.

Graph the proportional relationship between the distance (d) traveled by a car and the time (t).

Select True or False to indicate whether each comparison is true.

Obavezno
1
8.NS.2
Obavezno
1
8.NS.2
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8.NS.2
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8.NS.2
Pitanje 7
7.

Select all possible values of x in the equation {x^3}=375.

Pitanje 8
8.

Categorize each number as a rational or irrational number.

  • \frac{1}{\sqrt{9}}

  • \sqrt{17}

  • -1\frac{2}{3}

  • 0.423

  • Rational

  • Irrational

Pitanje 9
9.

Consider the line shown on the graph.

Enter the equation of the line in the form y = mx where m is the slope.

Pitanje 10
10.

This graph shows a proportional relationship between the distance traveled by Tim on a road trip and the number of hours for which he traveled.

Which statement identifies the correct slope and the correct interpretation of the slope of this situation?

A leaf falls 18 feet from a branch to the ground at a rate of 5 feet every 2 seconds.

Determine whether each statement about the leaf is true. Select True or False for each statement.

Obavezno
1
Pitanje 11
11.

The initial height of the leaf is 18 feet.

8.F.4
Obavezno
1
8.F.4
Obavezno
1
8.F.4
Pitanje 14
14.

Sally is solving the linear equation 13+ 4x-9=7x+7-3x. Her final two steps are:

4+4x=4x+7

4=7

Select the statement that correctly interprets Sally's solution.

Pitanje 15
15.

Which table of values can be defined by the funciton y=4x-2?

Pitanje 16
16.

Rectangle ABCD is rotated by 90 degrees clockwise about the origin and then translated 3 units left and 2 units down to form A'B'C'D'.

What is the length, in units, of line segment A'B' in the resulting figure?

Pitanje 17
17.
Drugi mogući odgovor:
7
0
8
5
1
6
3
4
9
2
Pitanje 18
18.

David and Karen have a goal to read 10,000 pages together by the end of the summer.

David reads 80 pages every day.

Karen reads 25% more pages every day than David reads.

David and Karen agree that the model 180d = 10,000 will tell them how many days it will take them to read 10,000 pages, together, by the end of the summer.

They invite Rick to read with them to get to their goal faster. Rick reads 35% fewer pages per day than Karen.

Which equation can be used to find how many days it will take David, Karen, and Rick to read 10,000 pages, together, by the end of the summer?

The graph shows Parker's distance from home over time.

Based on the graph, determine whether each statement is true. Select True or False for each statement.

Obavezno
1
Pitanje 19
19.

Parker's distance from home is increasing between minute 1 and minute 4.

8.F.5
Obavezno
1
8.F.5
Obavezno
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8.F.5
Pitanje 22
22.
Pitanje 23
23.

Marco says that the interior angles of a triangle add up to 180\degree. He claims that the interior angles of a hexagon must add up to 360\degree because a hexagon has twice as many vertices as a triangle and can be divided into two triangles. Therefore, its interior angles must sum to twice the value of those of a triangle.

Which statement, if any, explains Marco's error?

Pitanje 24
24.

Simone and Nang read a total of 23 books over the summer.

Simone read 5 more books than Nang.

Enter the number of books Nang read.

Given triangle ABC.

Select True or False for each statement about the sequences of transformations that can verify that triangle ABC is congruent to triangle A'B'C'.

Obavezno
1
Pitanje 25
25.

Triangle ABC is reflected across the y-axis, followed by a reflection across the x-axis.

8.G.3
Obavezno
1
8.G.3
Obavezno
1
8.G.3
Pitanje 28
28.
Drugi mogući odgovor:

=

>

<

Pitanje 29
29.
Pitanje 30
30.

A cross section of a ramp is shown.

The length of the base is 45 inches and the height of the ramp is 28 inches.

Enter the length, x, of the ramp in inches.

Pitanje 31
31.

Jamal states that ax + b = a(x + c), given a, b, and c are not equal to 0.

What must be the value of c for Jamal's statement to be true?

Pitanje 32
32.

A cylinder with radius 3 feet and height 5 feet is shown.

Enter the volume of the cylinder, in cubic feet. Round your answer to the nearest hundredth.

Pitanje 33
33.

Select all the equations that can be represented by a straight line when graphed on the coordinate plane.

Pitanje 34
34.

The graph of x+y=-9 is shown.

Graph teh equation y=2x+3 on the same coordinate plane. Plot the solution to this system of linear equations.

Pitanje 35
35.

A biologist tracks the number of bacteria living in a water tank. The biologist used a function that represents the amount of a certain chemical solution that is added to the water.

  • When the water has no chemicals, the number of bacteria (b) is 1200 per gallon.

  • For each tablespoon of the chemical solution (c) added to each gallon of water, the number of bacteria decreases by 75 per gallon.

How much of the chemical, in tablespoons, must be added to a 500-gallon tank to reduce the bacteria count to a safe 300 bacteria per gallon?

Pitanje 36
36.
Pitanje 37
37.

Enter the y coordinate of the solution of this system of equations.

Pitanje 38
38.

The ratios a:b and b:c are equivalent to one another. Select all the statements that must be true.

Pitanje 39
39.

A cone with radius 6 feet and height 15 feet is shown.

Enter the volume, in cubic feet, of the cone. Round your answer to the nearest hundredth.

Pitanje 40
40.
Pitanje 3
3.

\sqrt{37}<5\frac{1}{4}

Pitanje 4
4.

3\pi>3\sqrt{3}

Pitanje 5
5.

\sqrt{5}>\frac{5}{7}

Pitanje 6
6.

\frac{15}{\sqrt{10}}>8.38

Pitanje 12
12.

The leaf falls at a rate of \frac{2}{5} foot every 1 second.

Pitanje 13
13.

The leaf is 3 feet above the ground after 6 seconds.

Pitanje 20
20.

Parker's distance from home is constant between minute 6 and minute 7.

Pitanje 21
21.

Parker's distance from home is increasing between minute 12 and minute 14.

Pitanje 26
26.

Triangle ABC is reflected across the x-axis, followed by a reflection across the y-axis.

Pitanje 27
27.

Triangle ABC is reflected across the y-axis, followed by a translation 6 units down.