document.write( "Question 810630: Find an equation of the quadratic function in standard form whose graph contains the points (0,5), (1,10), and (2, 19). Can someone work this out please i'm having a little trouble. THANK YOU!! \n" ); document.write( "
Algebra.Com's Answer #488284 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find an equation of the quadratic function in standard form whose graph contains the points (0,5), (1,10), and (2, 19). \n" ); document.write( "---- \n" ); document.write( "Form:: ax^2 + bx + c = y \n" ); document.write( "Solve for a,b,c \n" ); document.write( "-------------------- \n" ); document.write( "(0,5) gives:: 0a + 0b + c = 5 \n" ); document.write( "(1,10)gives:: a + b + c = 10 \n" ); document.write( "(2,19)gives:: 4a + 2b + c = 19 \n" ); document.write( "------------------------ \n" ); document.write( "I used my TI-84 to get:: \n" ); document.write( "a = 2 \n" ); document.write( "b = 3 \n" ); document.write( "c = 5 \n" ); document.write( "========== \n" ); document.write( "Equation:: \n" ); document.write( "y = 2x^2 + 3x + 5 \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "==================== \n" ); document.write( " |