rewrite in standard form 2x^2+4x-1
Questions by Caity C. from Boulder, CO
rewrite in standard form -2x^2+3x+7
f(x)=( 7/2)x-4 and (2x+8)/7
find the center, radius, and intercepts of the circle and then sketch the graph
find the center, radius, and intercepts of the circle with the given equation and then sketch the graph
solve the rational inequality. express the solution using interval notation
solve the rational inequality. express the solution using interval notation.
write the equation of the horizontal line passing through the point (3,1)
given the line in standard form, determine the slope, the y-intercept, and sketch the line. 8x-y=4
graph the line that contains the point (-4,4) and has a slope of -2/3
solve the rational inequality. express the solution using interval notation. (x+7)/(x-1) is less than or equal to 0
solve the inequality. write the solution set in interval notation. x^2 is less than or equal to 25
solve the polynomial inequality. express the solution using interval notation. (x+3)(x-2)is less than or equal to 0
solve the equation y^3+2y^2=9y+18
factor completely the given polynomial 18x^2+51x+36
Homer and Mike were replacing on mikes old deck. Mike can do the job in one hour less than Homer. they worked together for three hours until Homer had to go home. Mike finished the job working by...
meg rowed her boat upstream a distance of 5 miles then rowed back to the starting point. the total time of the trip was 6 hours. if the rate of the current was 2mph, find the average speed of the...
a toy rocket is launched from a 5.6m high platform in such a way that its height, h (in meters), after t seconds is given by the equation h=-4.9t^2+38.5t+5.6. how long will it take for the rocket...
three consecutive off integers are such that the square of the third integer is 105 less than the sum of the squares of the first two. one solution is -9,-7, and -5. find three other consecutive odd...
decide what number must be added to the binomial to make a perfect square x^2+(3/2)x
solve the equation after making an appropriate substitution x^4-22x^2+96=0
find all solutions x^3+49x=0
factor out the greatest factor
a boat traveled downstream a distance of 75 miles and then came right back. if the speed of the current was 20 mph and the total trip took 5 hours, find the average speed of the boat relative to the...
a grain barge travels on a river from point a to point b loading and unloading grain. the barge travels at a rate of 5mph relative to the water. the rive flows downstream at a rate of 1mph. if the...
the length of a rectangle is 3 centimeters less than five times its width. its area is 14 centimeters.
the length of a rectangle is 3 centimeters less than five times its width. its area is 14 centimeters. what are the dimensions of the rectangle?
a ball is thrown upward with an initial velocity of 64 ft/s from a height 512 ft. h= -16t^2+64t+512. after how many seconds will the ball reach the ground? (i.e. for what positive value of t is h=0...
the square of a number plus the number is 72