Questions in mathematics

Questions in mathematics

[Done] Write a quadratic function in standard form with zeros 9 and -4.

[Done] Solve for \( y \): \[ \frac{3}{4}(5x - y) < 3 \]

[Done] Solve the equation using the quadratic formula: \[ x^2 - 10x + 25 = 18 \]

[Done] The perimeter of a square garden is to be at least 22 feet but not more than 36 feet. Find all possible values for the length of its sides.

[Done] Pedro is building a spice rack with 4 shelves that are each 0.55 meters long. At the hardware store, Pedro finds he can only buy the shelving in whole meter lengths. 1. Exactly how many meters of shelving does Pedro need? 2. Since he can only buy whole number lengths, how many meters of shelving should he buy?

[Done] Factor the expression: \[ 2x^2 + x - 15 \]

[Done] Sienna has 80 yards of fencing to enclose a rectangular area. Find the dimensions that maximize the enclosed area. What is the maximum area?

[Done] Solve for \( x \): \[ 2x^2 + 4x - 16 = 0 \]

[Done] How do you solve the equation \(4x - 7 = 2x + 15\)?

[Done] A car travels 172 miles using 7 gallons of gas. How far can the car travel using 42 gallons of gas?