Number Systems and Functions
Authored by Alexis Lucurto
Mathematics
8th Grade
CCSS covered
Used 1+ times
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65 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Classify −400% within the real number system. Which subset is correct?
Rational number
Irrational number
Whole number
Integer
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which expression represents the simplified algebraic model shown: top row x, 1, 1, 1, −, x, x; bottom row −x, x, 1, −x, x?
2x + 3
x + 4
3x + 1
x − 2
Tags
CCSS.6.EE.A.3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A phone sells for $520 after a 30% markup on cost. What was the initial cost?
$156.00
$490.00
$364.00
$400.00
Tags
CCSS.6.RP.A.3C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine if the plotted relation is a function. Use the vertical line test idea.
not a function; each y maps to one x
not a function; each x maps to many y
a function; each x maps to one y
a function; each y maps to one x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which set lists all natural numbers?
{0, 1, 2, 3, …}
{1, 2, 3, 4, …}
{…, −2, −1, 0, 1, …}
{p/q | p, q integers, q ≠ 0}
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thomas is purchasing extra items to use in his online video game. Each item costs $1.99. The total cost, c, is described by c = 1.99t where t is the number of extra items. What is the dependent variable in this relationship?
The cost per single item
The total cost of the extra items
The amount of video game items
The total cost of the video game
Tags
CCSS.6.EE.C.9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which situation can be represented by the equation 3x + 5 = 26?
Michael paid 3 each; he spent $26.
Matthew has 3 board games and 5 card games, totaling 26.
Merita owns 26 movies; 3 are action; rest are comedy.
Megan paid 5 fee; total $26.
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