Which number is considered irrational?
A) pi
B) 0.85
C)-32
D) 1/7
A) Pi
Simplify: 3x -8 +3 +4x
7x -5
The line represented by the equation y= -2x is translated up 3 units. After the translation, what are the coordinates of the y-intercept of the new line?
A. (0, 2)
B. (0, 3)
C. (0, 2)
D. (0, -3)
B. (0, 3)
What is the lower quartile (Q1) of the numbers: 4,6,7,8,10,12,20
a. 4
b. 8
c. 6
d.5
c. 6
Convert between imperial and metric units. If 1 inch = 2.5 centimetres then how many centimetres will equal 8 inches?
20 centimeters
A hat costs $19.99. Determine the total cost including 13% HST.
$22.59
Simplify: 3x +4x -2x +5x -9x
x
or
1x
Complete chart.
Relation is C= 25n +100
Rate = ?
Initial Value = ?
Rate = 25
Initial Value = 100
Label the graphs as linear or non-linear. If it is linear, classify the correlation as positive or negative and strong or weak.
linear, strong, and positive.
Fill in the blanks.
a) if 1 yard= 90 cm then 15 yards =____ cm
b)if one inch= 2.5 cm then 8.5 inches =_____cm
c) if 5 miles = 8 km then 18 miles =______km
a) 1350
b) 21.25
c) 28.8
Evaluate: 3(4-6)2 + 2(-5)
2
Simplify: (3c2 -4c +1) + (9c2 +2c +3)
12c2 -2c +4
Playing games at the family fun centre costs $10 to get into the centre and $4 to play each game. What is the equation?
C= 4n +10
The height of 10 people is recorded. Find the mean, median, and mode.
110,126,133,133,140,143,150,161,171,182,195
median= 143
mean= 149.45
mode= 133
Solve indicated angle.
= 62.5º
Solve.
4 1/2 + 2 1/3 x 1 1/4
7 5/12
or
89/12
Simplify: (4x2 -5x +8) - (6x2 -5x +3)
-2x2 +5
Parallel to the x-axis and passing through, find y.
(-4, 3)
Y= 3
Three soccer players have scored 25 goals this season. Five soccer players have scored 19 goals this season. Ten soccer players have scored 6 goals this season. Find the mean of goals scored by the players this season.
230/18
or
12.78
A cylinder has a volume of 1256cm3 and the diameter is 20cm. Find the height of the cylinder.
H= 4cm
Evaluate. (- 1/2)3 ÷ 1 1/3 + (4/3 - 1/4)2
4976/4608
or
1 368/4608
Solve: 4x-2/5 + 1/2 = 2x+7/2 -1
-12
what is the equation passing through the points (2, 3) and (4, -5)
y= -4x +4
The mean of the last 5 tests is 78%. Four of the test scores are 90%, 72%, 64%, and 86%. Find the score of the fifth test.
78%
Two containers are pictured below. One container is a cone and the other one is a rectangular-based prism. The cone is completely filled with water, and then the water is poured into the empty prism, without spilling. Find the height of the water in the prism.
length= 9cm
width= 8cm
H= 5.23cm (rounded)