Isoke is solving the quadratic equation by completing the square.

10x2+40x-13=0

10x2+40x=13

A (x2+4x) = 13

What is the value of A?

-13

4

10

40

Compare the numbers 4/6 and 5/6

Jackie would like to buy a $19700 Toyota hybrid car in 4 years. Jackie wants to put the money aside now. Jackie's bank offers 8% interest compounded semiannually. How much must Jackie invest today?

Solve and write in interval notation. 5 (x-1) ≥ - 5 or 5-x ≤ 10

1. Write the equation would you use to find time?

The equation R=10a-20 represents the revenue R (in dollars) you make by spending A dollars on advertising. You revenue totaled $110. How much did you spend on advertising

Boxes of cereal usually cost $4 but they are on sale for $1 off a gallon of milk costs $3 the expression 4b - 1b + 3 can be used to find the cost in dollars of buying b boxes of cereal and a gallon of milk write the expression in simpler form

I need to find the answer to this equation. 4+1-3x + 10 = x

Round all answer to the nearest tenth. 1. Vince wants to make a square patio in his yard. He has enough concrete to pave an area of 130 square feet. How long can a side of his patio be?

Tracy Ate 10 Donuts that Week. Her Brother Ate 5. If Tracy Has Eaten 50 donuts how much donuts would her brother have ate?

Factor completely 25x2 - 144 (5x - 12) (5x - 12) (5x - 12) (5x + 12) (12x - 5) (12x - 5) (12x - 5) (12x + 5)