hard · SAT Math
In the equation x^2 + bx + 49 = 0, b is a positive constant.
If the equation has exactly one real solution, what is the value of b?
- 7
- 14
- 28
- 98
Sign up free to see the explanation and track your rank →
More SAT Math practice
- What is the greatest integer value of x that satisfies the inequality (2)/(3)(9 - 6x) ≥ 4x
- In the equation (2)/(3)(6x-9)=(1)/(4)(8x+20)+3, what is the value of 2x+1?
- If the system has no solution, what is the value of a?
- What is the value of c?
- If 5x - 12 = 3x + 8, what is the value of 2x?
- A print shop's total charge, in dollars, for an order of n p… — According to this function
- How many real solutions does the equation |2x + 6| + 10 = 4 have?
- If 2x + y = 13 and 3x - y = 7, what is the value of x + y?