Answer:
y-intercept (b)
Step-by-step explanation:
If you are working with a slope-intercept equation, that is
y = mx + b
Then you want to put the y-intercept on the graph first. It is the b in the equation it is often at the end of the equation. It is the number that is NOT right next to the x.
Then use the slope (the m, that IS right next to the x) to find the next point. Slope is like directions from one point to another.
Then you can draw the line.
Answer:
The domain of this graph is
d. real numbers from 0 to 7
Step-by-step explanation:
from the graph you can see that all the possible x values are real numbers from 0 to 7
hope this helps!!
Answer:
PQ = 16
Step-by-step explanation:
Using the cosine ratio in the right triangle and the exact value
cos60° = 
, then
cos60° = 
= 
= 
= ( cross- multiply )
PQ = 8 × 2 = 16
Direct variation means that changes in x will result to changes in y. If x increase, y also increases and vice versa.
y = kx
k = y / x
y = 45 ; x = 40
k = 45/40
k = 1.125
y = 1.125x
y will increase by 1.125 interval of x.
90/2 is 45.. 60/2 is 30.. 30+45=75... 75 students would be able to be in each of the 2 groups, each containing 45 girls and 30 boys ... Hope I helped (:
