subject
Mathematics, 06.04.2021 08:00 bethanybowers4986

2x^2 + 5x – k=0 In the equation above, k is a constant. For what value of k does the equation have exactly one
distinct real solution?

I don’t understand the khan academy explanation


2x^2 + 5x – k=0

In the equation above, k is a constant. For what value of k does the equation hav

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?
Answers: 3
question
Mathematics, 21.06.2019 18:30
Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made
Answers: 2
question
Mathematics, 21.06.2019 19:40
In angle pqr find the measure of
Answers: 1
question
Mathematics, 21.06.2019 20:40
In each of the cases that follow, the magnitude of a vector is given along with the counterclockwise angle it makes with the +x axis. use trigonometry to find the x and y components of the vector. also, sketch each vector approximately to scale to see if your calculated answers seem reasonable. (a) 50.0 n at 60.0°, (b) 75 m/ s at 5π/ 6 rad, (c) 254 lb at 325°, (d) 69 km at 1.1π rad.
Answers: 3
You know the right answer?
2x^2 + 5x – k=0 In the equation above, k is a constant. For what value of k does the equation have...
Questions
question
Mathematics, 05.04.2021 16:40
question
Mathematics, 05.04.2021 16:40
question
French, 05.04.2021 16:40
question
Mathematics, 05.04.2021 16:40