Answer:
1. expression: 3x-5y+19
variable: x, y
2. e: x³+8y-16z+9
v: x, y, z
3. e: 9a+7y
v: a, y
4. e: b²-c²+a³
v: b, c, a
5. e: 10y+6b-9x²
v: y, b, x
Step-by-step explanation:
an expression doesn't have = sign
variables are the letters in an algebraic expression (and equation)
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Answers & Comments
Answer:
1. expression: 3x-5y+19
variable: x, y
2. e: x³+8y-16z+9
v: x, y, z
3. e: 9a+7y
v: a, y
4. e: b²-c²+a³
v: b, c, a
5. e: 10y+6b-9x²
v: y, b, x
Step-by-step explanation:
an expression doesn't have = sign
variables are the letters in an algebraic expression (and equation)