Solve the system by substitution: y=-2
4x-3y=18
x = - 2
x = 3
x = - 1
y = 2
y = - 2
y = 3
No Solution

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.