Need help pls Answer Property ______1. The product of (xy – 1) and (xy + 8) is *
a. x^2 y^2 – 8
b. x^2 y^2 – 9xy – 8
c. x^2 y^2 + 7xy – 8
d. x^2 y^2 – 7xy – 8
______2. The expression (x + y)^3 is equal to *
a. x^3 + y^3
b. (x + y)(x^2 – xy + y^2)
c. x^3 + 3x^2 y + 3xy^2 + y^3
d. (x + y)(x^2 + xy + y^2)
______3. The product of (5x + 7y) and (5x – 7y) is *
a. 25x^2 – 70xy – 49y^2
b. 25x^2 + 70xy – 49y^2
c. 25x^2 + 49y^2
d. 25x^2 – 49y^2
______4. The expression (4y^3 + 9x^2)^2 equals
a. 16y^6 + 81x^4
b. 16y^6 + 72y^3 x^2 + 81x^4
c. 16y^5 + 72y^3 x^2 + 81x^4
d. 16y^6 + 36y^3 x^2 + 81x^4
______5. The greatest common monomial factor in 3x^2 – 6x is *
a. 3
b. 3x
c. 6x^2
d. x – 2
______6. The factored form of y(2x – 3) + 4(2x – 3) is *
a. (y + 4)(2x – 3)^2
b. (y + 4)(2x – 3)
c. 4y(2x – 3)^2
d. 4y(2x – 3)
______7. The factored form of 9x^2 – 25y^2 is *
a. (9x – y)(x + 25y)
b. (3x – 5y)(3x – 5y)
c. (9x + 5y)(x – 5y)
d. (3x + 5y)(3x – 5y)
______8. The factored form of 4a^2 – 20ab + 9b^2 is *
a. (2a – b)(2a – 9b)
b. (2a – b)(2a + 9b)
c. (2a + b)(2a – 9b)
d. (2a + b)(2a + 9b)
______9. The expression 81x^2 – 90x + 25y^2 is an example of a *
a. sum of two squares
b. difference of 2 squares
c. sum of two cubes
d. perfect square trinomial
______10. The factored form of the algebraic expression y^2 (2x – 3) – 4(2x – 3) is *
a. y^2 – 4(2x – 3)^2
b. (2x – 3)(y2 – 4)
c. (y + 2)(y – 2)(2x – 3)
d. ((y^2 – 4)(2x – 3))^2
______11. The product of ( (1/3)a – 5b) and ( (1/3)a + 5b) is *
a. (1/9)a^2 – 25b^2
b. (1/9)a – (1/25)b
c. □(1/6)a^2 – 10b^2
d. (1/6)a – 10b
______12. All numbers below are composite except *
a. 42
b. 53
c. 105
d. 154
______13. The factored form of 1 – 0.49x^2 is *
a. (1 + 0.7x)(1 – 0.7x)
b. (1 + 0.07x)(1 – 0.07x)
c. (1 + 0.49x)(1 – x)
d. (1 + 0.49x)(1 + x)
______14. The expression (x – 3)^3 is identical to *
a. x^3 – 27
b. (x – 3)(x2 – 3x + 9)
c. (x + 3)(x2 – 6x + 9)
d. x3 – 9x2 + 27x – 27
______15. 2x^2 y(-3xy^3 + 7xy^2) = *
a. -6x^2 y^3 + 14x^2 y^2
b. -5x^2 y^3 + 9x^2 y^2
c. -6x^3 y^4 + 14x^3 y^3
d. -5x^3 y^4 + 9x3y3
______16. The expression (0.3y + 0.7)2 equals *
a. 0.09y2 + 0.42y + 0.49
b. 0.9y2 + 4.2y + 4.9
c. 9y2 + 42y + 49
d. 0.09y2 + 0.49
______17. (0.2m2 + 3) (0.2m2 – 3) = *
a. 0.4m4 – 9
b. 0.04m4 – 9
c. 0.4m2 – 6
d. 0.04m2 – 6
______18. Find the missing term: (x + __)(3x + __) = 3x2 + 27x + 24 *
a. 6, 4
b. 4, 6
c. 8, 3
d. 12, 2
______19. The sides of a rectangle with an area of x2 + 3x + 2 are *
a. (x + 1) and (x + 2)
b. (x – 1) and (x – 2)
c. (x – 1) and (x + 2)
d. (x + 1) and (x – 2)
______20. The length of a rectangle with an area of (x2 + 10x) square units if the width is x units is?
a. x2
b. x2 + 10
c. x + 10
d. (x + 10)2
________21. What do you call the System of Linear Equation that has the same slope and y-intercept?
a. Coinciding lines
b. Intersecting lines
c. Parallel lines
d. Coordinate
________22. Two lines may not touch each other and with different slopes. What kind of System of Linear Equation is this?
a. Intersecting
b. Coinciding
c. Parallel
d. Origin
_________23. Based on the number of solution of SLEs, what is the SLE that has one or a unique solution? *
a. Intersecting
b. Coinciding
c. Parallel
d. Origin
_________24. In getting the solution set, instead of graphing the two lines, what is the other way to get the solution set?
a. Substitution
b. Addition
c. Subtraction
d. Conclusion
_________25. In Types of System of Linear Equation, If the equation 1 can be formulated from equation 2, what kind of SLEs is that?
a. Intersecting
b. Coinciding
c. Parallel
d. Changing
a. x^2 y^2 – 8
b. x^2 y^2 – 9xy – 8
c. x^2 y^2 + 7xy – 8
d. x^2 y^2 – 7xy – 8
______2. The expression (x + y)^3 is equal to *
a. x^3 + y^3
b. (x + y)(x^2 – xy + y^2)
c. x^3 + 3x^2 y + 3xy^2 + y^3
d. (x + y)(x^2 + xy + y^2)
______3. The product of (5x + 7y) and (5x – 7y) is *
a. 25x^2 – 70xy – 49y^2
b. 25x^2 + 70xy – 49y^2
c. 25x^2 + 49y^2
d. 25x^2 – 49y^2
______4. The expression (4y^3 + 9x^2)^2 equals
a. 16y^6 + 81x^4
b. 16y^6 + 72y^3 x^2 + 81x^4
c. 16y^5 + 72y^3 x^2 + 81x^4
d. 16y^6 + 36y^3 x^2 + 81x^4
______5. The greatest common monomial factor in 3x^2 – 6x is *
a. 3
b. 3x
c. 6x^2
d. x – 2
______6. The factored form of y(2x – 3) + 4(2x – 3) is *
a. (y + 4)(2x – 3)^2
b. (y + 4)(2x – 3)
c. 4y(2x – 3)^2
d. 4y(2x – 3)
______7. The factored form of 9x^2 – 25y^2 is *
a. (9x – y)(x + 25y)
b. (3x – 5y)(3x – 5y)
c. (9x + 5y)(x – 5y)
d. (3x + 5y)(3x – 5y)
______8. The factored form of 4a^2 – 20ab + 9b^2 is *
a. (2a – b)(2a – 9b)
b. (2a – b)(2a + 9b)
c. (2a + b)(2a – 9b)
d. (2a + b)(2a + 9b)
______9. The expression 81x^2 – 90x + 25y^2 is an example of a *
a. sum of two squares
b. difference of 2 squares
c. sum of two cubes
d. perfect square trinomial
______10. The factored form of the algebraic expression y^2 (2x – 3) – 4(2x – 3) is *
a. y^2 – 4(2x – 3)^2
b. (2x – 3)(y2 – 4)
c. (y + 2)(y – 2)(2x – 3)
d. ((y^2 – 4)(2x – 3))^2
______11. The product of ( (1/3)a – 5b) and ( (1/3)a + 5b) is *
a. (1/9)a^2 – 25b^2
b. (1/9)a – (1/25)b
c. □(1/6)a^2 – 10b^2
d. (1/6)a – 10b
______12. All numbers below are composite except *
a. 42
b. 53
c. 105
d. 154
______13. The factored form of 1 – 0.49x^2 is *
a. (1 + 0.7x)(1 – 0.7x)
b. (1 + 0.07x)(1 – 0.07x)
c. (1 + 0.49x)(1 – x)
d. (1 + 0.49x)(1 + x)
______14. The expression (x – 3)^3 is identical to *
a. x^3 – 27
b. (x – 3)(x2 – 3x + 9)
c. (x + 3)(x2 – 6x + 9)
d. x3 – 9x2 + 27x – 27
______15. 2x^2 y(-3xy^3 + 7xy^2) = *
a. -6x^2 y^3 + 14x^2 y^2
b. -5x^2 y^3 + 9x^2 y^2
c. -6x^3 y^4 + 14x^3 y^3
d. -5x^3 y^4 + 9x3y3
______16. The expression (0.3y + 0.7)2 equals *
a. 0.09y2 + 0.42y + 0.49
b. 0.9y2 + 4.2y + 4.9
c. 9y2 + 42y + 49
d. 0.09y2 + 0.49
______17. (0.2m2 + 3) (0.2m2 – 3) = *
a. 0.4m4 – 9
b. 0.04m4 – 9
c. 0.4m2 – 6
d. 0.04m2 – 6
______18. Find the missing term: (x + __)(3x + __) = 3x2 + 27x + 24 *
a. 6, 4
b. 4, 6
c. 8, 3
d. 12, 2
______19. The sides of a rectangle with an area of x2 + 3x + 2 are *
a. (x + 1) and (x + 2)
b. (x – 1) and (x – 2)
c. (x – 1) and (x + 2)
d. (x + 1) and (x – 2)
______20. The length of a rectangle with an area of (x2 + 10x) square units if the width is x units is?
a. x2
b. x2 + 10
c. x + 10
d. (x + 10)2
________21. What do you call the System of Linear Equation that has the same slope and y-intercept?
a. Coinciding lines
b. Intersecting lines
c. Parallel lines
d. Coordinate
________22. Two lines may not touch each other and with different slopes. What kind of System of Linear Equation is this?
a. Intersecting
b. Coinciding
c. Parallel
d. Origin
_________23. Based on the number of solution of SLEs, what is the SLE that has one or a unique solution? *
a. Intersecting
b. Coinciding
c. Parallel
d. Origin
_________24. In getting the solution set, instead of graphing the two lines, what is the other way to get the solution set?
a. Substitution
b. Addition
c. Subtraction
d. Conclusion
_________25. In Types of System of Linear Equation, If the equation 1 can be formulated from equation 2, what kind of SLEs is that?
a. Intersecting
b. Coinciding
c. Parallel
d. Changing
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