Answer:
First one: Rotation
Second one: Translation
Third one: Reflection
Fourth one: Translation
Step-by-step explanation:
Answer:
x ≈ 1.32, x ≈ - 5.32
Step-by-step explanation:
Given
x² + 4x - 7 = 0 ( add 7 to both sides )
x² + 4x = 7
To complete the square
add ( half the coefficient of the x- term )² to both sides
x² + 2(2)x + 4 = 7 + 4
(x + 2)² = 11 ( take the square root of both sides )
x + 2 = ± 
( subtract 2 from both sides )
x = - 2 ± 
Thus
x = - 2 - ≈ - 5.32 ( to 2 dec. places )
x = - 2 + ≈ 1.32 ( to 2 dec. places )
Answer:
A=52
B=48
C=45
D=58
Step-by-step explanation:
To find the variables just do 60 minus the number they give. For example, to find A, you do 60-8.
Hope this helps :)
Answer:
2.5
Step-by-step explanation:
given that y is proportional to x then the equation relating them is
y = kx ← k is the constant of proportionality
y = 2.5x is in this form with k = 2.5
