The answer to the question
You randomly choose one of the tiles shown below. What is the probability of choosing a number less than 5? *
1 answer:
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For any scalar ,
is a vector pointing in the same direction as
.
To force this vector to have the same length as another vector , first normalize
by dividing it by its norm,
then multiply this vector by the norm of , so that
To confirm that has the same length as
:
Answer:
y = - (x - 5)² + 7
Step-by-step explanation:
The equation of a quadratic in vertex form is
y = a(x - h)² + k
where (h, k ) are the coordinates of the vertex and a is a multiplier
Here (h, k ) = (5, 7 ) , then
y = a(x - 5)² + 7
To find a substitute (10, - 3 ) into the equation
- 3 = a(10 - 5)² + 7 ( subtract 7 from both sides )
- 10 = 5²a = 25a ( divide both sides by 25 )
= a , that is
a = -
y = - (x - 5)² + 7 ← in vertex form