Answer:
A.
Step-by-step explanation:
you have to find the discriminant
b²-4ac for each equation
if discriminant < 0 no real solutions because will be negative under the squareroot whhan you try to find the roots
if discriminant = 0 there is only one solution
if discriminant > 0 two real solutions
for your given problems
A. discriminant =(-2)²-4*2*15 will be negative
Answer:
19+6x
Step-by-step explanation:
2×2+x+5x+15
4+6x+15
19+6x
Answer:
A. 3a-2=54
Step-by-step explanation:
3 x her age - the 2 year will equal 54
B) 48 is your answer
Hope this helps!!