Factoring
x = -b +- sqrt(b2 - 4ac) /(2a)
What is our student teacher's last name?
Konyer
Two numbers differ by seven. If the numbers are squared and then added, the result is 137. What are the numbers?
4 and 11. -11 and -4
Solve the following quadratic equation by factoring. x2+3x+2 = 0
Solve the following quadratic equation by using the quadratic formula: x2 + 6x + 5 = 0
Name all the planets in order.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
A baseball is tossed from the top of a 3m wall. The path of the baseball is defined by the formula y = -x2+2x+3, where x represents the distance the ball has travelled, and y represents the height. How far has the ball travelled when it hits the ground?
Discard x=-1. x=3
Solve the following quadratic equation by factoring. x2 - 6x + 5 = 0
Solve the following quadratic equation by using the quadratic formula: x2 - 9x + 20 = 0
Is dihydrogen monoxide poisonous?
NO!
The area of the front cover of a daily journal is 273 cm^2, and the length is 5 less than twice the width. What are the dimensions of the cover?
x=13. therefore, 13cm and 21 cm
Solve the following quadratic equation by factoring. x2 - 6x - 27 = 0
Solve the following quadratic equation by using the quadratic formula: 2x2 + 9x + 4 = 0
What is the only continent without reptiles or snakes?
Antarctica
The hypotenuse of a right triangle measures 10m. One of the other two sides is 2m longer than the third side. Find the unknown side lengths.
6m and 8m.
Solve the following quadratic equation by factoring. 2x2 - 5x - 3 = 0
Solve the following quadratic equation by using the quadratic formula: 4x2 - 17x - 15 = 0
What unusual engineering feature made the Cobourg and Peterborough Railway project famous?
A railway bridge built on wooden trestles across Rice Lake
Two consecutive integers are added. The square of their sum is 361. What are the integers?
9 and 10 AND -9 and -10