1.what is the sum of (2x²-5x+2)+(3x²+2x+5)?
A.5x²-3x+7
B.5x²+7x+7
C.5x⁴-3x2+7
D.5x⁴-3x+7
2.What do you call this symbol or letter written on the upper right-hand corner of a variable or a constant?
A.Base B.Constant C.Exponent D.Power
3.What is the value of [(x10y5z)⁴]10?
A.xyz B.xy C.1 D.0
4.what is the simplified form of (a⁴b−³/a²b5)2?
A.a16b⁴ B.a⁴b16
C.b16/a⁴ D.a⁴/b16
5.What is the product of (5x-6) multiplied by (2x+1)?
A.10x²-7x-6 B.10x²+7x−6
C.10x²+7x+6 D.10x²−7x+6
6.Which is the quotientof 12y⁴+48y³+24y² divided by 12y²?
A.y²+4y+2 B.y²+4y−2
C.y²−4y+2 D. y²−4y−2
7.Which of the following does not belong to the group?
A. Added to B. Plus
C. Taken By D. Increased by
8. What does mathematical operation "twice" belong?
A. Addition B. Power
C. Multiplication D. Division
9. Which of the following does not belong to the group?
A. Cube B. Square
C. Quotient of D. Power of
10.What mathematical operation does "Thrice" belong?
A. Addition B. Multiplication
C. Power D. Division
11. Translate "The sum of twelve and half of number(x)" into Algebraic Expression.
A. 12-12\x
B. 12+12/x
C. 12x
D. 12/x
That's all and kindly answer my questions correctly please,its okay if you have some blank in numbers