NZ Level 7 (NZC) Level 2 (NCEA)
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Solve quadratics using various methods

Interactive practice questions

Solve for $x$x:

$x^2-5=31$x25=31

Write all solutions on the same line, separated by commas.

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Consider the equation $y=\left(3x+5\right)\left(x-5\right)$y=(3x+5)(x5).

Solve $x^2=2.39$x2=2.39

Solve $3y-15y^2=0$3y15y2=0

Outcomes

M7-6

Manipulate rational, exponential, and logarithmic algebraic expressions

M7-7

Form and use linear, quadratic, and simple trigonometric equations

91261

Apply algebraic methods in solving problems

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