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. If xy + 1 = y² and z = 1/x - 1/xy, express z in terms of y1/ x-y1/ y+11/ y-11 + y2. Make z the subject of formulasx(y + z) + 5/a -2 = 0z = 2a -5 -axy/ axz = 5 -2a -axy/ axz = 2a -5 -y/ axz = 5 -2a -y/ ax3. Make b the subject of formulab = cd²/ a-c³b = d²/ a-c²b = cd/ a-c³b = a-c³/ cd²4. 7(y + 1) - x(y + 1)(y + 1)(7 - x)(y + 1)(7x)7y-x7y + 7 - xy - x5. Make y the subject of formula x = a+y/ a-yy = a(x-1)/ x+1y = ax/ a+1y = ax-1/ x+1y = 2a-x/ a+x6. 5(x + 2) + y(x + 2)(2x)(5 + y)(x + 2)(5 + y)10x-4y5x + 10 + xy + 2y7. Divide a³ - a - 7 + 7a² by (-1 + a²)a + 7-a³ + 7a² - a - 7a - 7-a² - 7a + 78. Find the value of 18 × 2 - 5 + 24 ÷ 3.39543123429. X(x - 1) + 5(x - 1) (x - 1)(x + 5)(2x+4)(x-10)(x - 1)(5 -x)(x - 1)(5x)10. Divide y³ - 2y² - 5y + 6 by (y - 1)y²- y - 6y² - 7y + 6y² - 5y + 6y² - 5y - 611. Multiply a² + a+ 1 by a² - a + 1a^4 + a² + 1a^4 + 4a² - 6a + 1a^4 - 6a² - 4a + 1a^4 + 3a² + a + 112. Simplify the expression: (3a + b) - (2a - 2b)a - ba - 3b5a + 3b5a - 3ba + 3b13. Simplify the following 2y + 9 + 8y + 726y2610y + 1610y + 9 + 714. Simplify -2xy² - 4x²y2y(y - 2xy)4xy - 2y2x(2y - 4xy)-2xy(y + 2x)15. Simplify: 6a - 4b + 8c4(2a - b + 2c)A(6a - 4 + 8c)2(3a - 2b + 4c)none of these16. X varies inversely as y and y varies directly as t². Find the relationship between X and t given that t = 7 when X = 2X = t²/98X = 98t²Xt² = 9898Xt² = 117. ’Simplify: ax³ + bazx² + cxaX(ax + ba + ca)ax(x² + bzx + c)xX(ax + ba + ca)Axb(x + zx + c)18. Simplify (12x - 7y) + (6y + 3x)12x - y15x - 13y15x - y15x + 13y19. What is the algebraic expression to represent y less than twentyY + 20Y - 2020 +20 - y20. Simplify 7 × 3a - (3a + 5a)-35a24a18a16a13a21 out of 20Time is Up!
