Mathematics
Grade10
Easy
Question
Use the product of sum and difference to find the product of 37 and 43.
- 1200
- 1600
- 4
- 1591
The correct answer is: 1591
By using product of sum and difference we can write 37×43 as (40-3)×(40+3)
= (40)2-(3)2
= 1600-9
= 1591
Related Questions to study
Mathematics
The area of the rectangle is 9p2q. Use factoring to find the sides of the rectangle.
The area of the rectangle is 9p2q. Use factoring to find the sides of the rectangle.
MathematicsGrade10
Mathematics
Find the GCF of the group of monomials: 8p2q, 28pqr2, 52q3r
Find the GCF of the group of monomials: 8p2q, 28pqr2, 52q3r
MathematicsGrade10
Mathematics
For |a| > 1, the shape of parabola is ______ than the parent function.
For |a| > 1, the shape of parabola is ______ than the parent function.
MathematicsGrade10
Mathematics
Factor the expression completely: 
Factor the expression completely:
MathematicsGrade10
Mathematics
The quadratic function f(x) = 6.5 x2 is the reflection of __________ over the x - axis.
The quadratic function f(x) = 6.5 x2 is the reflection of __________ over the x - axis.
MathematicsGrade10
10th-Grade-Math---USA
The function that the data set represents is
The function that the data set represents is
10th-Grade-Math---USAQuadratic-Functions
10th-Grade-Math---USA
A basketball is thrown straight up into the air from a height of 2.1 ft with an initial velocity of 7 ft\s. The function that models the height of the ball after t seconds is
A basketball is thrown straight up into the air from a height of 2.1 ft with an initial velocity of 7 ft\s. The function that models the height of the ball after t seconds is
10th-Grade-Math---USAQuadratic-Functions
10th-Grade-Math---USA
The maximum value of the function 
is
The maximum value of the function is
10th-Grade-Math---USAQuadratic-Functions
10th-Grade-Math---USA
The axis of symmetry for the function f(x) = 2x2 – 5x + 4 is
The axis of symmetry for the function f(x) = 2x2 – 5x + 4 is
10th-Grade-Math---USAQuadratic-Functions
10th-Grade-Math---USA
The vertex of the quadratic function 
is
The vertex of the quadratic function is
10th-Grade-Math---USAQuadratic-Functions
10th-Grade-Math---USA
The rate of change of the 
in the interval 
is
The rate of change of the in the interval is
10th-Grade-Math---USAQuadratic-Functions
10th-Grade-Math---USA
The true statement regarding the function (x - 6)2 +7 when compared with x2 is
The true statement regarding the function (x - 6)2 +7 when compared with x2 is
10th-Grade-Math---USAQuadratic-Functions
10th-Grade-Math---USA
The Quadratic parent function shifted to 2.5 units left & 0.5 units down. The new quadratic function is
The Quadratic parent function shifted to 2.5 units left & 0.5 units down. The new quadratic function is
10th-Grade-Math---USAQuadratic-Functions
10th-Grade-Math---USA
The interval where the function 
is increasing is
The interval where the function is increasing is
10th-Grade-Math---USAQuadratic-Functions
10th-Grade-Math---USA
The domain of the function 
is
The domain of the function is
10th-Grade-Math---USAQuadratic-Functions
