Find roots of the equations using the quadratic formula. Leave your answers correct to 3 significant

Question

Find roots of the equations using the quadratic formula. Leave your answers correct to 3 significant figures. $8x^2-3x-2=0$ $3x^2+10x+5=0$ $-x^2+4x-2=0$ $-4x^2+9x+2=0$

Accepted Answer

(a) $x=-0.347$ or $x=0.722$ (b) $x=-2.72$ or $x=-0.613$ (c) $x=0.586$ or $x=3.41$ (d) $x=-0.204$ or $x=2.45$

Quadratic Expressions, Equations, and Functions - Solving Quadratic Equations by using Formula

Quadratic Expressions, Equations, and Functions - Solving Quadratic Equations by using Formula