A
what is the name of this symbol?
≥
greater than or equal to
what is the standard form of the quadratic equation
ax2+bx+c=0
in 6x2-17x+12=0, what is the leading coefficient?
6
what are the symbols for quadratic inequalities?
>,≤ ,<,≥
which of the following is rational number?
a. √12 c.1.23452156
b. √15 d.-249
d. -249
in 6x2-17x+12=0, which is the quadratic term?
6x2
which is the irrational number?
a. √ 49 b. 9.454545
c. 7/8 d.√2312
d.√2312
what is the formula for sum and product of the quadratic equation
sum: -b/a
product: c/a
write the fomula for Discriminant
b2 -4ac
if a=1 b=-8 c=16, write in the standard form
x2-8x+16=0
give the discriminant value of x2-4x+5=0
D=-4
what is the nature of value of the discriminant;
D= -14
not real/ imaginary
find the sum and the product of the roots of the quadratic equation 6x2+12x-18=0
sum:2
product:-3
find the sum and the product of the roots of the quadratic equation 2x2+8x-10=0
sum: -4
product: -5
what do yu call in the method of solving the quadratic equation x2=k?
extracting square roots
what is the nature of roots of x2-6x+7=0
Since D=8 and it is not a perfect square then it is real, irrational and unequal
give the quadratic formula
x = (-b ± √(b² - 4ac)) / (2a).
find the roots of x2 +3x - 10<0
x= -5
x=2
give the discriminant value of 2x² + 4x + 2 = 0
D=0
what is the nature of value of the discriminant is positive but not a perfect square
real, irrational, and unequal
find the roots of the quadratic equation 2x2+8x-10=0
x=1
x=-5
find the roots of the quadratic equation 6x2+12x-18=0
x= -1
x= 3
what are the roots of x2-2x-8≥ 0
x=4
x=-2
Write the equation in the form of ax2+bx+c=0 which the given numbers are solution.
x=8
x=10
(x-8)(x-10)=0
x2-10x-8x+80=0
x2-18x+80=0
Write the equation in the form of ax2+bx+c=0 which the given numbers are solution.
x=-5
x=1
(x+5)(x-1)=0
x2-1x+5x-5=0
x2+4x-5=0