Solve:
7x = 56
x = 8
If a = 5, b = -2 for c = 2a + b, what is c?
c = 8
What is the solution to the following simultaneous equations:
(-1,1)
When using Pythagoras Theorem, what is the formula to calculate side c?
c=sqrt(a^2+b^2)
When using Trigonometry, the side length across from the 90 degree angle is labeled with what letter?
h (for hypotenuse)
Solving Equations
4x + 3 = 7
x = 1
y = x - 8
x = y + 8
Solve the systems of equations using substitution:
3x + 4y = -2
y = -5
(6, -5)
Calculate the length of the hypotenuse:
26
35.10 degrees
Solving Equations
4(6 + 5x) = 124
x = 5
Make y the subject.
3x + y = 2
y = -3x + 2
Solve the systems of equations using Elimination:
14x + 2y = 26
-14x - 6y = -50
(1, 6)
Calculate the length of the Hypotenuse (to 2 dp):
7.62
How long is y?
y = 8.66
Solving Equations
36n - 12 = 8n - 40
n = -1
Make x the subject
u = xk + y
What is:
x = (u - y)/k
Solve the systems of equations using substitution:
-5x - 5y = 10
y = -4x -17
(-5, 3)
Calculate x (to 2 dp):
19.42
Find side length AB
AB = 8.40
Solve:
254 = -2v - 6(2 +6v)
v = -7
Make z the subject
z2 - x = p2
z = sqrt(p2 + x)
Solve the systems of linear equations by graphing:
What is the length of bd?
12
0.69m^2