Equations
Solve:
x+7=15
x = 8
For the equation
y=3x+2
what is the gradient?
3
A fair six-sided die is rolled. What is the probability of rolling a 4?
1/6
If the probability of rain tomorrow is 0.3, what is the probability that it doesn't rain?
0.7
Hpw many sides does a hexagon have?
6
Solve:
3x−5=16
x = 7
For the equation
y=−2x+7
what is the y-intercept?
7
A bag contains 3 red, 5 blue and 2 green counters.
What is the probability of selecting a blue counter?
1/2
A coin is flipped twice.
What is the probability of getting two heads?
1/4
What is the largest planet in our Solar System
Jupiter
Solve:
4(x+2)=28
x = 5
A line has a gradient of 4 and a y-intercept of 3.
Write its equation in the form y=mx+b
y = 4x+3
A fair die is rolled.
What is the probability of rolling a number greater than 4?
1/3
A bag contains 4 red and 6 blue counters. Two counters are selected with replacement.
What is the probability of selecting red both times?
4/25
What is the capital city of Canada?
Ottawa
Solve:
3x+7=2x+15
x = 8
A taxi charges a fixed starting fee of $6 plus $2.50 per kilometre travelled.
Write a linear equation for the cost C n terms of the distance d, then find the cost of a 12 km journey.
C=2.5d+6
C= $36
A spinner has 8 equal sections numbered 1–8.
What is the probability of landing on a number that is prime or even?
7/8
A coin is flipped and a six-sided die is rolled.
What is the probability of getting heads and an even number?
1/4
Which element has the chemical symobl Au?
Gold
Solve:
3(2x−4)+5=2x+17
x = 5
A line passes through the points (0, 5) and (2, 11).
What is the equation of the line?
y = 3x+5
A six-sided die is rolled 120 times. How many times would you expect to roll a 6?
20
A bag contains 5 red and 3 blue counters. Two counters are selected without replacement.
What is the probability that both counters are red?
5/14
What is the only mammal capable of true sustained flight?
Bat