Find a slope and y intersept

How is working backward similar to solving an equation?

An is a number that is written without a component. it is a number that is either or . an exponent is a or a number that another number is being to. the number that is being raised to a is called the . the or power tells you how many times to the base by . if an exponent is fractional then ask yourself the question: what when multiplied by itself a certain number of times will equal the number?

Find the x-intercepts for the parabola defined by this equation: y=-3x^2-6x+9