Who point is an x-intercept of the quadratic function

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

Jamie went to home depot. she bought 25 bags of soil that cost $9 per bag. she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each. she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jame pay at the end?

What are different types of statistical programs