Answer:
1. True 2. True
Step-by-step explanation:
1. all horizontal lines represent a function.
2. The equation y=2x+1 represents a function.
You can cross multiply fractions only if there is an "=" sign in the middle of the two fractions.
Answer:
8.5
Step-by-step explanation:
4 + (6)(6)/8=
17/2 = 8.5
Answer: -1/5
Step-by-step explanation:
14/20 - 81/90=
7/10-9/10= ==> 10 is the GCF of 20 and 90
(7-9)/10=
-2/10=-1/5
5. D (the number under the square root symbol must be greater than or equal to 0.
