Have a query? Ask a Tutor!!

Access to best educators and exclusive paper discussions

Offsite Campus Turito Championship

Can’t find what you’re looking for?

Our tutors are from top schools around the world, and they are waiting for you 24/7, anytime, anywhere.

Homework- One to One Solutions
Understand concepts to solve better
Get your doubts solved instantly

Maths-

SAT

Easy

Question

3x²+bx+5=0
For the quadratic equation shown, b is a constant. If the equation has no real solutions, which of the following must be true?

b²<60
b² >60
b < 0
b > 0

The correct answer is: b²<60

3x²+bx+5=0
The roots must be imaginary
a < 0
$rightwards double arrow b squared minus 4 a c less than 0$
$b squared minus 4 left parenthesis 3 right parenthesis left parenthesis 5 right parenthesis less than 0$
$b squared minus 60 less than 0$
$b squared less than 60$

Related Questions to study

$fraction numerator x squared minus 2 over denominator x minus square root of 2 end fraction$
Which of the following is equivalent to the expression above for x≠ $square root of 2$ ?

$fraction numerator x squared minus 2 over denominator x minus square root of 2 end fraction$
Which of the following is equivalent to the expression above for x≠ $square root of 2$ ?

2x-y=3
4x-y=3
How many solutions does the system of equations have?

2x-y=3
4x-y=3
How many solutions does the system of equations have?

y=(x+3)(x-7)
y=x-7
If (x, y) is a solution to the given system of equations, which of the following could be the value of x?

y=(x+3)(x-7)
y=x-7
If (x, y) is a solution to the given system of equations, which of the following could be the value of x?

parallel

T(n)=80+n
S(n)=1,280+30n
The given equations model the number of teachers and students in a high school from 2002 through 2017. In the equations, n is the number of years after 2002, where n is a whole number less than or equal to 15. The predicted number of teachers and students are T(n) and S(n), respectively.
Based on the model, what is the first year in which the predicted number of teachers will be greater than 90?

T(n)=80+n
S(n)=1,280+30n
The given equations model the number of teachers and students in a high school from 2002 through 2017. In the equations, n is the number of years after 2002, where n is a whole number less than or equal to 15. The predicted number of teachers and students are T(n) and S(n), respectively.
Based on the model, what is the first year in which the predicted number of teachers will be greater than 90?

If 3x = 8y and both x and y are positive, which of the following equals 40y?

If 3x = 8y and both x and y are positive, which of the following equals 40y?

Markela opens a bank account that earns interest at a rate of 2% compounded annually. She puts $200 in the account when she opens it and does not make any more deposits into or withdrawals from the account for 2 years. If the amount of money in the account after 2 years is given by the expression 200(1.02)², which of the following expressions gives the amount of money in the account after 1 year?

Markela opens a bank account that earns interest at a rate of 2% compounded annually. She puts $200 in the account when she opens it and does not make any more deposits into or withdrawals from the account for 2 years. If the amount of money in the account after 2 years is given by the expression 200(1.02)², which of the following expressions gives the amount of money in the account after 1 year?

parallel

2n= -22
What value of n satisfies the given equation?

2n= -22
What value of n satisfies the given equation?

For the exponential function f, the table shows some values of x and the corresponding values of f(x). The function can be written in the form f(x)=pr^x, where p and r are constants. What is the value of r?

For the exponential function f, the table shows some values of x and the corresponding values of f(x). The function can be written in the form f(x)=pr^x, where p and r are constants. What is the value of r?

In the figure, triangles ABC and DBE are right triangles. What is cos B?

In the figure, triangles ABC and DBE are right triangles. What is cos B?

parallel

If 12x+6=4x+8, what is the value of x?

If 12x+6=4x+8, what is the value of x?

Several values of x and their corresponding values of y are shown in the table. A linear equation that represents the relationship shown in the table x=k , where k is a constant. What is the value of k?

Several values of x and their corresponding values of y are shown in the table. A linear equation that represents the relationship shown in the table x=k , where k is a constant. What is the value of k?

$2 to the power of 2 divided by n end exponent left parenthesis n-th root of 3 right parenthesis$
If n is a positive integer, which of the following is the equivalent to the expression above?

$2 to the power of 2 divided by n end exponent left parenthesis n-th root of 3 right parenthesis$
If n is a positive integer, which of the following is the equivalent to the expression above?

parallel

How many solutions does the equation x(x-4)=(x-1)(x+1) have?

How many solutions does the equation x(x-4)=(x-1)(x+1) have?

3x+8=kx+8
In the given equation, k is a constant. If the equation has exactly one solution, which of the following could NOT be the value of k?

3x+8=kx+8
In the given equation, k is a constant. If the equation has exactly one solution, which of the following could NOT be the value of k?

A(t) = 50(2)^t
The function A(t) models the number of liters of a fluid in a tank after t hours. Which of the following models the number of liters of the fluid in the tank after m minutes?

A(t) = 50(2)^t
The function A(t) models the number of liters of a fluid in a tank after t hours. Which of the following models the number of liters of the fluid in the tank after m minutes?

parallel

card img

With Turito Academy.

card img

With Turito Foundation.

card img

Get an Expert Advice From Turito.

Turito Academy

card img

With Turito Academy.

Test Prep

card img

With Turito Foundation.