Answer:Answer: A negative correlation shows the relationship between two variables.
Step-by-step explanation: A) the correlation between the average SAT scores and percentage of high school seniors r = - 0.89 shows that the direction is negative and the relationship is strong.
B) SAT score = (-0.89 * proportion taking) + average score
Y=3x^2. -12x+6
If x= 0 then y= 3•0^2 -12•0+6=6
X=0, y=6
y intercept is the place where the curve touches the y-axis and is at point (0, 6)
Answer:
The percentage of the people surveyed that have a cat is 68%
Step-by-step explanation:
we know that
To find the percentage of the people surveyed that have a cat, multiply the given fraction by 100
so

Answer:

Step-by-step explanation:
This is just a perfect square
The degree of 2.
This is the definition of the quadratic function.