X squared plus 2 x equals 15

x2+2x=15

what number should be added to both sides of the equation to complete the square?

any number that divisible by 3 is also divisible by 6. Find a counterexample to show that the conjecture is false

Elmer has a collection of 300 Fossil of these 21% are fossilized snail shells. How may fossilized snail Does Elmer have?

Which shows an equation for this situation? Toby is 7 years older than 2 times the age of his sister, Liv. a. T=9L b. T=2L+7 c. L = 2T+7 d. T=7L+2

Solve using an appropriate problem-solving strategy. Monique has $2.00 in change in her purse. If she has an equal number of nickels, dimes, and quarters, how many of each does she have?

How many terms are in the algebraic expression 14m-8.8n+5p-1

Mark wants to paint a mural he has one and 1/3 gallons of yellow paint 1 1/4 gallon of green paint and 7/8 gallons of blue paint mart plans plans to use 3/4 gallons of each paint color how many gallons of paint will he have left after painting the

Which conic section is represented by the polar equation r=3 / (4+2sintheta) ? A. ellipse B. hyperbola C. parabola D. circle

1/2ab• (-a^2b) simplified

Place the following steps in order to complete the square and solve for the quadratic equation, x squared - 6x + 7=0

13y-7y=9 Solve for y, write it as a reduced fraction.