Show:
4.1
4.2 & 4.3
4.4 & 4.5
4.6
4.7 & 4.8
100
what is the y-intercept of (3/2)x^2+4x-5/2
-2.5
100
Use Quadratic Equations to fin 2 real numbers that satisfy the each situation or show such numbers don't exist. their sum is 12 and product is -84
about -5.0 and 17.0
100
simplify (3+5i)(5-3i)
30+16i
100
find the value of the discriminant 4x-3=12x^2
160
100
write y=-x^2-4x-1 in vertex form
y=-(x+2)^2+3
200
What is the range and domain for f(x)=2/3 x^2 +6x-10
D= all real numbers, R= y=>-23.5
200
solve by factoring 10x^2+25x = 15
-3,(1/2)
200
x^2-(9/2)x-(24/5)=0
5-2i,5+2i
200
what is the number of solutions for this equation 3x^2 5x=7
the discriminant is positive which means there will be two roots
200
determine opening of the equation 3x^2-4x=2+y
opens up
300
domain and range of -x^2 + 4x -6
R=all real numbers D= y=<-2
300
Use Quadratic Equations to fin 2 real numbers that satisfy the each situation or show such numbers don't exist. their sum is -8 and product is -209
11 and -19
300
simplify (11+8i)-(2-8i)
9
300
find the exact solution using quadratic formula 6x^2+5x-1=0
1/6,-1
300
solve x^2- 9x<-20
4<x<5
400
What is the axis of symmetry points of y=-4x^2+5x
(5/8)
400
solve by factoring 3x^2+2x = 3.75
-(3/2),(5/6)
400
solve the equation x^2+x+(1/3)=(2/3)
-1.26,.26
400
solve with the quadratic formula 4x^2-9=-7x-4
(-7+-√128)/8
400
2x^2+4>_9
x<_-1.58 or x>_1.58
500
What is the min or max of y=-9+3x+6x^2
min=-9.375
500
solve the root 2x^+x=15
-3, between 2 and 3
500
solve ax^2+bx+c=0
x= (-b+-√b^2-4ac)/(2a)
500
what is the exact solutions of -3x^2-7x+2=6
-1,-(4/3)
500
solve -x^2+12>_28
3.17<_x<_8.83