| Answer | Crossword Clue |
|---|---|
| cubics | A cubic equation, or a curve described by one |
| sinusoid | curve described by the equation y = a sin x, the ordinate being proportional to the sine of the abscissa |
| catenary | the curve assumed approximately by a heavy uniform cord or chain hanging freely from two points not in the same vertical line. Equation: y = kcosh(x/k) |
| limacon | a plane curve whose equation in polar coordinates has one of the forms ? = a cos ? ▒ b or ? = a sin ? ▒ b and which reduces to a cardioid when a = b |
| implicit | fined by an expression in which the dependent variable and the one or more independent variables are not separated on opposite sides of an equation compare explicit 4 |
| spitball | pitch, now illegal, made to curve by moistening one side of the ball with saliva or perspiration |
