core math
Which expression best represents y in terms of x?
x: 1,2,3,4,5,6
y: -1,-3,-5,-7,-9,-11 - correct answer ✔y = 1 - 2x
In Anytown ISD, 13 out of every 20 students ride the bus. Which ratio
compares the number or students who ride the bus to those who do not? -
correct answer ✔13:7
If 15 ml is equivalent to ½ oz., which equation could be used to find x, the
number of ml in 1 cup? - correct answer ✔x = 15 • 8 ÷ ½
Which of the following lists all the factors of a composite number? - correct
answer ✔1, 5, 25
A small company employs 19 hourly wage workers. The hourly wage range is
from $10 to $25 per hour. If three workers earn the median wage of $13.50
per hour, how many workers earn more than $13.50 per hour? - correct
answer ✔8
Simplify: 3 + 12 ÷ 3 - correct answer ✔7
Jana is playing a game called Guess My Rule. Her friends choose a number
(input), Jana subtracts 3 and tells her friends the result (output). The game
continues until one of her friends can predict what their output number will be
and can correctly state Jana's rule. Which graph correctly shows possible
values of input/output for Jana's rule? (View attachment for larger image) -
correct answer ✔b
,Which of the above graphs best represents the equation y = x²? (View
attachment for larger image) - correct answer ✔c
Mrs. McCoy writes two equations on the board for her class.
+5 - 5 = 0
-20 + 20 = 0
Which of the following properties of integers is Mrs. McCoy most likely trying
to illustrate? - correct answer ✔The additive inverse property
Mrs. Fields' science class takes care of a plant at school. The class is
responsible for watering the plant and measuring its growth. The students'
measurements are charted in the attached table. Which of the following
equations relates the height of the plant, h, and the number of months, m,
assuming a constant rate of growth?
months: 1,2,3,4
height:8,13,18,23 - correct answer ✔5m + 3 = h
The state sales tax is 7.5%. Which number could also represent 7.5%? -
correct answer ✔3/40
A baseball mitt is on sale for 30% off. If the regular price is $78, what is the
sale price, excluding tax? - correct answer ✔$54.60
Which of the following word problems is the correct question to be written and
solved with the given equation?
,8 - 5 + 3 = 6 - correct answer ✔8 birds were sitting on a fence. 5 birds flew
away and 3 more birds landed on the fence. How many birds are on the fence
now?
Simplify: 100 ÷ 4 × 5 - correct answer ✔125
If the pattern above is continued, how many blocks will be in the 7th term?
x: 1,2,3,4,
y:3,6,10,15 - correct answer ✔36
Which of the following equations is written in slope-intercept form? - correct
answer ✔y = 3x + 5
Maria baked 6 dozen cookies for her classmates. There are 28 students in her
class, each child received 2 cookies and Maria gave 6 cookies each to her
teacher and her principal. Which equation could be used to find C, the number
of cookies she had left over? - correct answer ✔C = 6 • 12 - (2 • 28 + 2 • 6)
Which situation could best be represented by the equation: 12x = 54? - correct
answer ✔Marty made car payments on her car for 54 months until it was paid
off. What is x, the number of years it took Marty to pay off her car?
Larry started the following number pattern:
900, 888, 876, 864, ...
Which number could not be a part of Larry's pattern? - correct answer ✔736
, Which of the following correctly combines like terms for the following
equation?
3x - 4 + 6x + 5 - 4x - 2 = 16 - correct answer ✔5x - 1 = 16
Mr. Andrews is in a city whose street grid can be represented by a coordinate
plane. Mr. Andrews wants to walk from his current location at a local
barbershop, represented on the coordinate plane as (1, 2), to his apartment.
Mr. Andrews walks 5 blocks east, or to the right, and 1 block south, or down.
Which of the following ordered pairs correctly depicts the location of Mr.
Andrews' apartment? - correct answer ✔(6, 1)
The Booster Club at Martin MS is selling spirit buttons for homecoming. The
buttons cost $0.75 to make and will be sold for $2 each. How many buttons, b,
must be sold to make a profit of $500? - correct answer ✔$500 = $2b -
$0.75b
Which of these equations does NOT pass through quadrants III or IV? -
correct answer ✔y = x²
Which of the following lists ALL the equations that are linear? (Select all that
apply) - correct answer ✔y = x - 2
y=x
y = -3x - 5
y = -1/3 x - 5/3
Which of the equations, when graphed, will contain the ordered pair (1,1)?
(Select all that apply) - correct answer ✔y = x²
y = -2x² + 3
y=x
