Mathematical expressions in Japanese high school entrance exams

This page is a mini Japanese-to-English dictionary of the mathematical terms used in Japanese high school entrance exams.

にとうへんさんかくけい	Isosceles triangle
二等辺三角形	Isosceles triangle
たいかくせん	Diagonal
対角線	Diagonal
に直線を引き	Draw a line perpendicular to
さんへいほうのていり	Pythagoras’s theorem
三平方の定理	Pythagoras’s theorem
ひれいていすう	Constant of proportionality
比例定数	Constant of proportionality
よしき	This equation; the given equation
与式	This equation; the given equation
いんすうぶんかい	Factorization
因数分解	Factorization
わ	Term “b” in factorization, $ax^2 + bx + c$
和	Term “b” in factorization, $ax^2 + bx + c$
せき	Term “c” in factorization, $ax^2 + bx + c$
積	Term “c” in factorization, $ax^2 + bx + c$
ちゅうてんれんけつていり	Mid-point theorem
中点連結定理	Mid-point theorem
AB//CD	Line AB is the same length as line CD.
△ABC ∽ △DEF	Triangle ABC is similar to triangle DEF
そうじ	Similar, similarity
相似	Similar, similarity
いちじほうていしき	Linear equation
一次方程式	Linear equation
どくりつしょうもんしゅうごうだい	Collection of small unrelated questions (as opposed to a series of related questions, for example a geometrical proof).
独立小問集合題
点Dを通り辺ABに垂直な直線をひき	Draw a line from D perpendicular to line AB
だいけい	Trapezium
台形	Trapezium
$x$軸との交点	Point of intersection with the $x$ axis
連立方程式	Simultaneous linear equations
変域	Domain
倍数	Multiple
ざひょう	Coordinate
座標	Coordinate
$x$ざひょう	$x$ coordinate
$x$座標	$x$ coordinate
にじほうていしき	Quadratic equation
二次方程式	Quadratic equation
げんてん	Origin
原点	Origin
たいちょうかく	Vertical angles
対頂角	Vertical angles