How much dose a 60$ video game cost after you take 30% off?

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet