Mathematics Knowledge Practice

An integer is::any whole number, either negative or positive::any whole number, either negative or positive, excluding zero::any positive whole number::any number, negative or positive
If 3 : 5 as x : 30, x =::18::15::21::50
Choose the prime number::67::21::39::87
The reciprocal of 7 1/2 is::2/15::1/7::2/7::7/15
Which answer has a mistake in the order of operations?::Next, do any work with exponents, radicals and negative numbers.::First, do all operations that lie inside parentheses.::Working from left to right, do all multiplication and division.::Finally, working from left to right, do all addition and subtraction.
Which statement is incorrect?::n-5 = n1/5::n1 = n::(n2)3 = n6::n0 = 1
If 3x+5 = 7x-13, then x=::4.5::4::5::4.3
In the linear equation y = mx+b, m represents::slope::y-intercept::x-intercept::x-coordinate
An isosceles triangle has::angles that total 180 degrees::three equal sides::no equal sides::a right angle
The ordered pair (3,4) does not represent::the slope and the y-intercept of a line::the coordinates of a point::x = 3 and y = 4::a concept that can be graphed
The Pythagorean theorem states::a2 + b2 = c2::a2 + b2 = c::2a + 2b = 2c::a2 x b2 = c2
A polygon is::a figure made up of any number of line segments joined together::any four-sided figure::a three dimensional figure::any shape with more than four sides