The equation of the new parabola is y = (x - 5)² - 6
Step-by-step explanation:
Let us revise the translation of a function
- If the function f(x) translated horizontally to the right by h units, then its image is g(x) = f(x - h)
- If the function f(x) translated horizontally to the left by h units, then its image is g(x) = f(x + h)
- If the function f(x) translated vertically up by k units, then its image is g(x) = f(x) + k
- If the function f(x) translated vertically down by k units, then its image is g(x) = f(x) - k
∵ The equation of the parabola is y = x²
∵ The parabola is shifted down by 6 units
- That means new y = y - k and k = 6
∴ The new y = x² - 6
∵ The parabola is shifted 5 units to the right
- That means the new y = (x - h)² and h = 5
∴ The new y = (x - 5)²
∴ The new equation is y = (x - 5)² - 6
The equation of the new parabola is y = (x - 5)² - 6
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Answer:
Step-by-step explanation:
7-(6/2)^2+2 = 4
pemdas
Parenthasis : 7 - (3) ^2 +2
Exponents : 7- 9 + 2
Multiplication : x
Division : x
Addition : 7-11
Subtraction : 4
Answer:
1 over 18
Step-by-step explanation:
The spinner has 3 segments and he spun it 1 time. So, he has a 1 in 3 chance of landing on green.
There are 6 cards so he has a 1 and 6 chance of picking up the yellow card.
Multiply those and you have 1 over 18
Done!
Answer:
4.22m.
Step-by-step explanation:
Using Pythagoras theorem:
7.5^2 = h^2 + 6.2^2
h^2 = 7.5^2 - 6.2^2
h^2 = 17.81
Height h= 4.22.
Answer:
a) 35%
b) 6.67%
Step-by-step explanation:
a) The annual number of burglaries in 2012 would be 150% and since in 2013, it fell by 10%:
10% of 150 is 15 so 150-15 = 135%.
The actual percentage increase of burglaries is 135% - 100% = 35% not 40%.
b) In the second year, the percentage would have to decrease by 10% of the initial 150% so
=
which as a percentage would be 6.66666....% or 6.67%.