Rates and Ratios
Share $400 in the ratio 3:5
$150:$250
Simplify: 5x + 7x + 10 + 22 -14x
-2x +32
4w = 32
What is the Variable, coefficient, and constant in the equation above?
Variable: w
Coefficient: 4
Constant: 32
How do know whether the graph of an inequality will have an open or filled circle on the number line?
If the inequality includes "or equal to" the circle will be filled, if not, the circle will be open.
How many students are there at Caringbah High.
900
2km/min = x km/h. Find x
120
Simplify 2x/3 + x/4
11x/12
Solve the Following equation:
4w=32
w=8
What happens to an inequality when we apply a negative multiplicative inverse?
The inequality symbol flips (i.e. from less than to greater than)
What is the chemical symbol for gold.
Au
How long will it take a truck travelling at 96km/h to travel 528km?
5.5 hours
Factorise 5x-20
5(x-4)
Solve the following equation:
5k - 8 = -83
k= -15
Solve the following inequality:
6h ≥ -30
h≥-5
3 m/s = x km/h. Find x.
10.8
Expand and Simplify: 2(4x+2y) -5(3x+y)
-7x-y
Solve the following equation:
13x + 34 = 6x - 8
x= -6
Solve the Following inequality:
-4t + 17 < -9
t> 6.5
Which planet has the most moons?
Jupiter
A is 50% more than B. What is the ratio of A:B?
3:2
Expand and Simplify: (x-4)^2
x^2 -8x + 16
Solve the following equation:
2(-3x + 5) - 3 = 4(x - 5) - 37
x= 6.4
Solve the following inequality:
5g - 10 < -55
g < -9
What other subject can Mr Sale teach?
History