Linear relationships
What is the gradient of the line passing through (0, 3) and (2, 7)?
2
Evaluate 10 to the power of 2
100
Probability of rolling a 1 on a fair die?
1/6
State Pythagoras’ formula.
a2+b2=c2
SOH stands for…
Sin = Opp/Hyp
Solve 2x+3=7
2
Write 0.004 in scientific notation.
4×10 to the power of -3
Bag has 2 red, 3 blue. Probability of red?
2/5
Sides 3 and 4. Find hypotenuse.
sin(45°)
=0.707
What is the y-intercept of y=−3x+5?
5
Simplify: a to the power of 5 divided by a to the power of 2
a to the power of 3
How many outcomes from flipping 2 coins?
4
Hypotenuse 10, one side 6. Find missing side.
8
Opposite = 5, hyp = 13. Find the angle.
sin−1(5/13)=22.6°
Are the lines y=4x+1 and y=4x-9 parallel?
Yes
Write 6.1×10 to the power of 4 in ordinary form
61,000
How many outcomes from flipping 2 coins?
1/4
A right triangle has legs 7 and 9. Find hypotenuse.
square root 130=11.4
Adjacent = 8, angle = 30°. Find hyp.
8÷cos30°=9.2
Line passes through (–1, 4) with gradient 3. Write equation.
y=3x+7
Simplify: 3x to the power of 3 x 2x to the power of 2
6x to the power of 5
If P(A) = 0.3 and P(B)=0.5 and independent, find P(A∩B)
0.15
A rectangle is 12 × 5. Find diagonal.
13
Shadow = 10 m, angle = 35°. Find height.
10tan35°≈7.0