7) (-30x^2 -20)/3x^2-3
8) squareroot(20b+3)
9) (S-d)/2(symbol for pi)×d
(i could not fit 7,8 and 9 into the picture)
Answer:
sry i am dumb
Step-by-step explanation:
Answer:
A mathematical equation or phrase that includes numbers, variables, and operators.
Step-by-step explanation:
Examples of numbers: 1, 5, 60, 100
Examples of variables: a, x, y
Examples of operators, +, -, x, /
Any mathematical equation with all 3 of the given examples is called an algebraic expression.
For example:
1 + 21 is not an algebraic expression, because although it has both numbers and operators, it does not have a variable.
x + 2 is an algebraic expression, because it has all 3 of the components listed above.
Hope I helped :)
Answer:
-1 1/2
Step-by-step explanation:
Answer:
Looks like (-5,1.5)
Step-by-step explanation:
Because it is halfway between the 1 and the 2
Hope This Helps!