19/03/2020Simplifying Algebraic Expressions(Study by Topics Junior Class) 0Comments by Gate Academy Welcome to your Simplifying Algebraic Expressions(Study by Topics Junior Class) NAME EMAIL PHONE NUMBER 1. 6b × 4b 36b² 24b² 75b² 84b² 28b²2. Simplify: 8a - 3(2a - 3b) 5a - 9b 2a - 9b 2a + 3b 2a + 9b3. Make b the subject of formula b = a-c³/ cd² b = d²/ a-c² b = cd/ a-c³ b = cd²/ a-c³4. Simplify -2xy² - 4x²y 2y(y - 2xy) 4xy - 2y 2x(2y - 4xy) -2xy(y + 2x)5. Simplify: 6a - 4b + 8c none of these 2(3a - 2b + 4c) A(6a - 4 + 8c) 4(2a - b + 2c)6. ’Simplify: ax³ + bazx² + cxa Axb(x + zx + c) X(ax + ba + ca) xX(ax + ba + ca) ax(x² + bzx + c)7. Q is jointly proportional to the cube of x and the fourth power of y. If x is halved and y is doubled, then the value of Q is left unchanged decreased in the ratio 4 : 1 increased in the ratio 1 : 4 increased in the ratio 1 : 28. If xy + 1 = y² and z = 1/x - 1/xy, express z in terms of y 1/ y+1 1/ y-1 1 + y 1/ x-y9. Make y the subject of the relation c+d/ a(c-d) cd/ a(c-d) c-d/ acd c-d/ a(c+d)10. What number is known as the multiplicative identity?11. Simplify 6x - 3y - (4x - 7y) 10x - 4y 2x + 4y 2x + 10y 2x - 10y 10x + 4y12. How do you simplify: 5xyz + 9xyz - 2xyz 10xyz 12xyz 17xyz 2xyz13. X(x - 1) + 5(x - 1) (2x+4)(x-10) (x - 1)(5x) (x - 1)(5 -x) (x - 1)(x + 5)14. 7(y + 1) - x(y + 1) 7y-x (y + 1)(7 - x) (y + 1)(7x) 7y + 7 - xy - x15. Multiply a² + a+ 1 by a² - a + 1 a^4 + 3a² + a + 1 a^4 + a² + 1 a^4 + 4a² - 6a + 1 a^4 - 6a² - 4a + 116. -3(x + y) + 5(x - y) 2x - 8y -2x + 2y 8x - 8y 2x - 8y17. Expand (3x + y + 7)(x² - 4y + 5) 3x³ + 2x²y - 12xy +7x² + 15x - y² - 23y + 35 3x³ + x²y - 12xy +7x² + 15x - 4y² - 23y + 35 3x³ + x²y - 12xy +7x² + 15x - 4y² - 23y + 35 3x³ + x²y - 11xy +7x² + 15x - 4y² - 28y + 3518. 9ab × 6a 54ab 56a²b 54a²b 76a²b 48a²b19. Expand (2x - 3y + z)(3x - y+ 4z) 6x² - 9xy + 3y² + 4z² + 8xz - 12yz 6x² - 11xy - 3y² + 4z² + 3xz - 12yz 6x² - 2xy + 3y² + 4z² + 11xz - 13yz 6x² - 11xy + 3y² + 4z² + 11xz - 13yz20. Divide y³ - 2y² - 5y + 6 by (y - 1) y²- y - 6 y² - 5y + 6 y² - 5y - 6 y² - 7y + 621 out of 20Time is Up!
