I think so too it sounds right to me
The answer is the number will have to be less than 11 which means that it is a. 9
sorry if it is incorrect.
Answer: The y-intercept is (0, 17)
Step-by-step explanation:
When the slope is given and there is a coordinate given to pass through, Substitute the numbers in the given coordinates for y and x in the slope-intercept equation and solve for b.
y=−3x+b
2 = -3(5) + b
2 = -15 +b
15 + 2 = b
b= 17 . b is the y-intercept.
From the graph, you can see that the line passes through the given (5,2)
Answer:
The vectors u and v are orthogonal
Step-by-step explanation:
* Lets explain Parallel and Perpendicular Vectors
- Two vectors A and B are parallel if and only if A = k B , k is a constant
not equal to zero.
- Two vectors A and B are perpendicular if and only if their scalar
product is equal to zero.
* Lets solve the problem
- Vector u = <10 , 0>
- Vector v = <0 , - 9>
∵ 10 ≠ k(0) and 0 ≠ k(-9)
∴ u ≠ k . v
∴ The vectors u and v are not parallel
∵ The scalar product of the vectors <a , b> and <c , d> is
ac + bd
∵ The scalar product of u and v = 10(0) + 0(-9) = 0 + 0 = 0
∴ The vectors u and v are orthogonal