Q. Determine the x-intercepts of the following equation.(−x−4)(x+3)=y(0,−4) and (0,−3)(−4,0) and (−3,0)(0,−12)(0,12)(−4,0) and (3,0)(−12,0)
Set y to 0: To find the x-intercepts of the equation, we need to set y to 0 and solve for x. This is because the x-intercepts occur where the graph of the equation crosses the x-axis, which corresponds to y being 0.(−x−4)(x+3)=0
Apply Zero Product Property: Now we have a product of two factors equal to zero. According to the zero product property, if the product of two factors is zero, then at least one of the factors must be zero. Therefore, we can set each factor equal to zero and solve for x.−x−4=0 or x+3=0
Solve −x−4=0: First, we solve the equation −x−4=0 for x. −x−4=0 −x=4 x=−4
Solve x+3=0: Next, we solve the equation x+3=0 for x.x+3=0x=−3
Identify x-intercepts: We have found two values of x for which y equals zero. These are the x-intercepts of the equation.The x-intercepts are (−4,0) and (−3,0).
More problems from Write a quadratic function from its x-intercepts and another point