Use the discriminant to determine the number and type of the solutions to the quadratic equation. Do not solve the equation.7x2 + 7x - 4 = 0
A. exactly one real solution
B. two real solutions
C. two nonreal solutions
Answer: B
Mathematics
You might also like to view...
Use the at least once rule to find the indicated probability.Find the probability of at least one club when you draw cards from a standard deck 11 times; assume that you replace the card each time you draw , so there are always 52 cards to draw from.
A. 0.042 B. 0.585 C. 0.958 D. 0.014
Mathematics
Solve. 2 – 9x = 11
A) –9 B) 1 C) 9 D) 13 E) –1
Mathematics
Find the linear function that is the best fit for the given data. Round decimal values to the nearest hundredth, if necessary.
A. y = 0.73x + 4.98 B. y = 0.53x + 4.88 C. y = 0.43x + 4.98 D. y = 0.63x + 4.88
Mathematics
Solve the equation using the quadratic formula.
x2 + 
x + 
= 0
A. 
B. No real solution
C. - 
D. 
Mathematics