Algebra Review.

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Presentation transcript:

Algebra Review

Find the length and width. The perimeter of a rectangle is 160 cm. The length is 4 cm less than three times the width. Find the length and the width. (Hint: Write a system of equations.)

The dimensions of a rectangular garden were 4m by 5m The dimensions of a rectangular garden were 4m by 5m. Each dimension was increased by the same unknown amount. The garden then had an area of 56m2. Find the dimensions of the new garden.

Find the measure of angles A and B. (2x + 97)° B (5x – 5)°

Find the area of the figure below: (2x + 5) cm (3x2 + 6x – 1) cm

A rectangle has a length of (2x – 1) cm and a width of (x – 5) cm A rectangle has a length of (2x – 1) cm and a width of (x – 5) cm. If the area of the rectangle is 45cm2, find the actual dimensions of the rectangle.

Find the length of the missing side. Simplify the radical. 12 cm x 10 cm

Write the equation of a line in slope-intercept form that goes through the point (4, 1) that is perpendicular to y = 2/3x – 5.

The altitude of a triangle is two centimeters less than twice the base The altitude of a triangle is two centimeters less than twice the base. The area of this triangle is 12 cm2. Find the length of the base.